Dr. Jonathan Ellen is a pediatrician practicing in Baltimore, MD. Dr. Ellen is a doctor who specializes in the health care of children. As a pedicatrician, Dr. Ellen diagnoses and treats infections, injuries, diseases and other disorders in children. Pediatricians typically work with infants, children, teenagers and young adults up to age 21. They practice medical care as well as preventative health care. Dr. Ellen can oversee and manage the physical, mental and emotional health of their patients.
Education and Training
Temple Univ Sch of Med, Philadelphia Pa 1988
PediatricsAmerican Board of PediatricsABP
- Concurrent sex partners and risk for sexually transmitted diseases among adolescents.
- Features of sexually transmitted disease services important to African American adolescents.
- Are adolescents being screened for sexually transmitted diseases? A study of low income African American adolescents in San Francisco.
- Are adolescents being screened for sexually transmitted diseases?
- Sexual initiation and developmental changes.
- Protective role of health values in adolescents' future intentions to use condoms.
- The trade-off between hormonal contraceptives and condoms among adolescents.
- Relative power between sexual partners and condom use among adolescents.
- A randomized comparison of A-CASI and phone interviews to assess STD/HIV-related risk behaviors in teens.
- Adolescents and HIV.
- Attitudes about sexual disclosure and perceptions of stigma and shame.
- Environmental-structural factors significantly associated with consistent condom use among female sex workers in the Dominican Republic.
- Discordant sexual partnering: a study of high-risk adolescents in San Francisco.
- Comparison of clients of a mobile health van and a traditional STD clinic.
- Editorial response: moving from core groups to risk spaces.
- The intention of adolescents to carry a knife or a gun: a study of low-income African-American adolescents.
- The next generation of HIV prevention for adolescent females in the United States: linking behavioral and epidemiologic sciences to reduce incidence of HIV.
- Perceived social cohesion and prevalence of sexually transmitted diseases.
- Perceived STD risk, relationship, and health values in adolescents' delaying sexual intercourse with new partners.
- The clinic and elsewhere: illness, sexuality, and social experience among young African American men in Baltimore, Maryland.
- Does parental involvement predict new sexually transmitted diseases in female adolescents?
- Phase-specific network differences associated with the syphilis epidemic in Baltimore city, 1996-2000.
- Risk perceptions, condom use, and sexually transmitted diseases among adolescent females according to social network position.
- Post-HIV test counselling of clients of a mobile STD/HIV clinic.
- Adolescent pregnancy intentions and pregnancy outcomes: a longitudinal examination.
- Sex partner concurrency, geographic context, and adolescent sexually transmitted infections.
- Geographic identification of high gonorrhea transmission areas in Baltimore, Maryland.
- Adolescents' self-efficacy to communicate about sex: its role in condom attitudes, commitment, and use.
- Social support and sexually transmitted disease related healthcare utilisation in sexually experienced African-American adolescents.
- Friends in the 'hood: Should peer-based health promotion programs target nonschool friendship networks?
- Impact of sexual networks on risk for gonorrhea and chlamydia among low-income urban African American adolescents.
- Rapid HIV testing of clients of a mobile STD/HIV clinic.
- Understanding the role of perceived severity in STD-related care-seeking delays.
- Pelvic inflammatory disease in adolescents: care delivery in pediatric ambulatory settings.
- Psychosocial correlates of adolescent males' pregnancy intention.
- Adolescent partner-type experience: psychosocial and behavioral differences.
- Factors associated with self-risk perception for sexually transmitted diseases among adolescents.
- What you don't know can hurt you: perceptions of sex-partner concurrency and partner-reported behavior.
- Gender-based differences in fertility beliefs and knowledge among adolescents from high sexually transmitted disease-prevalence communities.
- Laying the foundation for Connect to Protect: a multi-site community mobilization intervention to reduce HIV/AIDS incidence and prevalence among urban youth.
- Use of an institutional intervention to improve quality of care for adolescents treated in pediatric ambulatory settings for pelvic inflammatory disease.
- Human immunodeficiency virus prophylaxis for sexual assault survivors: what we need to know.
- Understanding sex partner selection from the perspective of inner-city black adolescents.
- Evidence of heterosexual bridging among syphilis-positive men who have sex with men.
- Staying strong: gender ideologies among African-American adolescents and the implications for HIV/STI prevention.
- Venue-based sampling in STD research: generalizeable to and independent of whom?
- New sexually transmitted infections among adolescent girls infected with HIV.
- Use of geographic information systems for planning HIV prevention interventions for high-risk youths.
- Mindfulness-based stress reduction for HIV-infected youth: a pilot study.
- Geographic prevalence and multilevel determination of community-level factors associated with herpes simplex virus type 2 infection in Chennai, India.
- Health care access and follow-up of chlamydial and gonococcal infections identified in an emergency department.
- Poverty and sexual concurrency: a case study of STI risk.
- Screening asymptomatic adolescent men for Chlamydia trachomatis in school-based health centers using urine-based nucleic acid amplification tests.
- Sexual network structure among a household sample of urban african american adolescents in an endemic sexually transmitted infection setting.
- Creative and tailored strategies needed to foster researcher-community partnerships.
- Infidelity, trust, and condom use among Latino youth in dating relationships.
- An HIV prevention protocol reviewed at 15 national sites: how do ethics committees protect communities?
- Social networks research and challenges to causal inference.
- Sexual network position and risk of sexually transmitted infections.
- Impact of individual values on adherence to emergency contraception practice guidelines among pediatric residents: implications for training.
- Child abuse in young, HIV-positive women: linkages to risk.
- Mediators of HIV-related stigma and risk behavior in HIV infected young women.
- HIV trends in adolescents: tracing our steps in preparation for our future.
- Integration of HIV testing and linkage to care by the Baltimore City Health Department.
- Establishment of an HIV/sexually transmitted disease programme and prevalence of infection among incarcerated men in Jamaica.
- Neighborhood socioeconomic environment and sexual network position.
- Adherence to scheduled appointments among HIV-infected female youth in five U.S. cities.
- Mobilizing communities around HIV prevention for youth: how three coalitions applied key strategies to bring about structural changes.
- Identification of HIV-infected 12- to 24-year-old men and women in 15 US cities through venue-based testing.
- "The Story of My Life": AIDS and 'Autobiographical Occasions'
- HIV coping self-efficacy: a key to understanding stigma and HIV test acceptance among incarcerated men in Jamaica.
- Relationships between perceived STD-related stigma, STD-related shame and STD screening among a household sample of adolescents.
- Community engagement and investment in biomedical HIV prevention research for youth: rationale, challenges, and approaches.
- Homophobia, stigma and HIV in Jamaican prisons.
- Estimating the direct costs of pelvic inflammatory disease in adolescents: a within-system analysis.
- Connect to Protect Researcher-Community Partnerships: Assessing Change in Successful Collaboration Factors over Time.
- How physicians test: clinical practice guidelines and HIV screening practices with adolescent patients.
- Mindfulness-based stress reduction for urban youth.
- Developmental changes in condom use among urban adolescent females: influence of partner context.
- Victimization and sexual risk behavior in young, HIV positive women: exploration of mediators.
- Perceptions, experiences, and shifts in perspective occurring among urban youth participating in a mindfulness-based stress reduction program.
- Discordance between adolescent real and ideal sex partners and association with sexually transmitted infection risk behaviors.
- Correlates of HIV testing history among urban youth recruited through venue-based testing in 15 US cities.
- Conflict transformation, stigma, and HIV-preventive structural change.
- Methamphetamine use and risk for HIV among young men who have sex with men in 8 US cities.
- Health related quality of life and psychosocial correlates among HIV-infected adolescent and young adult women in the US.
- Adolescent and parental utilities for the health states associated with pelvic inflammatory disease.
- Social disadvantage as a risk for first pregnancy among adolescent females in the United States.
- Neighborhood drug markets: a risk environment for bacterial sexually transmitted infections among urban youth.
- When they break up and get back together: length of adolescent romantic relationships and partner concurrency.
- Desire for pregnancy and risk behavior in young HIV-positive women.
- Context, networks, and sexually transmitted infections: a study of sex ratios and male incarceration.
- Nutrition education via a touchscreen: a randomized controlled trial in Latino immigrant parents of infants and toddlers.
- The role of feelings of intimacy on perceptions of risk for a sexually transmitted disease and condom use in the sexual relationships of adolescent African-American females.
- Core sexual/reproductive health care to deliver to male adolescents: perceptions of clinicians focused on male health.
- Interactive nutrition education via a touchscreen: is this technology well received by low-income Spanish-speaking parents?
- Norms governing urban African American adolescents' sexual and substance-using behavior.
- HIV prevalence overall and among high-HIV-risk behaviorally defined subgroups among heterosexuals at community-based venues in a Mid-Atlantic, US City.
- Television viewing in low-income latino children: variation by ethnic subgroup and English proficiency.
- An assessment of the feasibility and acceptability of a friendship-based social network recruitment strategy to screen at-risk African American and Hispanic/Latina young women for HIV infection.
- Sexually transmitted infection risk behaviors in rural Thai adolescents and young adults: support for sex- and age-specific interventions.
- Strategies and outcomes of HIV status disclosure in HIV-positive young women with abuse histories.
- Recruitment approaches to identifying newly diagnosed HIV infection among African American men who have sex with men.
- Clinician perspectives on management of adolescents with pelvic inflammatory disease using standardized patient scenarios.
- Screening juvenile justice-involved females for sexually transmitted infection: a pilot intervention for urban females in community supervision.
- School-based mindfulness instruction for urban male youth: a small randomized controlled trial.
- Achieving a healthy zoning policy in Baltimore: results of a health impact assessment of the TransForm Baltimore zoning code rewrite.
- Connect to Protect®: utilizing community mobilization and structural change to prevent HIV infection among youth.
- Bridging the gap between individual-level risk for HIV and structural determinants: using root cause analysis in strategic planning.
- Differential challenges in coalition building among HIV prevention coalitions targeting specific youth populations.
- Challenges and approaches to mobilizing communities for HIV prevention among young men who have sex with men of color.
- Perceived neighborhood partner availability, partner selection, and risk for sexually transmitted infections within a cohort of adolescent females.
- Coalition formation to address structural determinants of methamphetamine use in Thailand.
- Factors affecting linkage to care and engagement in care for newly diagnosed HIV-positive adolescents within fifteen adolescent medicine clinics in the United States.
- A small mixed-method RCT of mindfulness instruction for urban youth.
- Understanding variability in adolescent women's sexually transmitted infection-related perceptions and behaviors associated with main sex partners.
- HIV viral load levels and CD4+ cell counts of youth in 14 cities.
- Are social organizational factors independently associated with a current bacterial sexually transmitted infection among urban adolescents and young adults?
- A comparison of network-based strategies for screening at-risk Hispanic/Latino adolescents and young adults for undiagnosed asymptomatic HIV infection.
- HIV testing among youth in a high-risk city: prevalence, predictors, and gender differences.
- Cross-sectional survey comparing HIV risk behaviours of adolescent and young adult men who have sex with men only and men who have sex with men and women in the U.S. and Puerto Rico.
- Adding to the HIV Prevention Portfolio - the Achievement of Structural Changes by 13 Connect to Protect Coalitions.
- Is the Association between Neighborhood Drug Prevalence and Marijuana use Independent of Peer Drug and Alcohol Norms? Results from a Household Survey of Urban Youth.
- Attitudes Towards Power in Relationships and Sexual Concurrency Within Heterosexual Youth Partnerships in Baltimore, MD.
- The Broad Approach of a Structural Intervention Study and the Lack of Effect Detection--Reply.
- Social place as a location of potential core transmitters-implications for the targeted control of sexually transmitted disease transmission in urban areas.
- Do young women engage in greater sexual risk behaviour with biological fathers of their children?
- School-Based Mindfulness Instruction: An RCT.
- Exchange of Sex for Drugs or Money in Adolescents and Young Adults: An Examination of Sociodemographic Factors, HIV-Related Risk, and Community Context.
- BUILDING AN ACADEMIC PEDIATRIC HEALTH SYSTEM AS THE WORLD CONTINUES TO TURN: A CASE STUDY.
- The Development of an HIV Risk Environment Scale of Exotic Dance Clubs.
- The network structure of sex partner meeting places reported by HIV-infected MSM: Opportunities for HIV targeted control.
- Understanding Care Linkage and Engagement Across 15 Adolescent Clinics: Provider Perspectives and Implications for Newly HIV-Infected Youth.
- Implementation of an Integrated Approach to the National HIV/AIDS Strategy for Improving Human Immunodeficiency Virus Care for Youths.
- Structural and Community Change Outcomes of the Connect-to-Protect Coalitions: Trials and Triumphs Securing Adolescent Access to HIV Prevention, Testing, and Medical Care.
- Killing of cultured hepatocytes by the mixed-function oxidation of ethoxycoumarin.
- The efficiency and administration of a commission of inquiry into hospitals.
- Socioeconomic differences in sexually transmitted disease rates among black and white adolescents, San Francisco, 1990 to 1992.
- Appointment-keeping behavior in adolescents: factors associated with follow-up appointment-keeping.
- HIV risk in adolescents: the role of sexual activity and substance use behaviors.
- Relationship of alcohol use and risky sexual behavior: a review and analysis of findings.
- An investigation of geographic clustering of repeat cases of gonorrhea and chlamydial infection in San Francisco, 1989-1993: evidence for core groups.
- Do differences in sexual behaviors account for the racial/ethnic differences in adolescents' self-reported history of a sexually transmitted disease?
- Children'S Hosp-Philadelphia, Pediatrics
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