Dr. John R Harlan MD
Gastroenterologist | Gastroenterology
501 N Navajo Page Clinic Page AZ, 86040About
Dr. John Harlan is a gastroenterologist practicing in Page, AZ. Dr. Harlan specializes in the digestive system and its diseases that affect the gastrointestinal tract, which include organs from the mouth to the anus as well as liver disorders. Gastroenterology includes conditions such as hepatitis, peptic ulcer disease, colitis, nutritional problems and irritable bowel syndrome. Dr. Harlan performs colonoscopy and endoscopy procedures and provides accurate and thorough care for patients suffering from digestive issues.
Education and Training
Univ of Rochester Sch of Med & Dentistry, Rochester Ny 1963
Board Certification
Internal MedicineAmerican Board of Internal MedicineABIM
Provider Details
Expert Publications
Data provided by the National Library of Medicine- Pathways of genetic transfer from Tripsacum to Zea mays.
- Sympatric evolution in sorghum.
- Tripsacum-maize interaction: a novel cytogenetic system.
- Distribution of wild wheats and barley.
- Our vanishing genetic resources.
- Agricultural origins: centers and noncenters.
- Wire-guided brush cytology: a new endoscopic method for diagnosis of bile duct cancer.
- THE ORIGIN OF TRIPSACOID MAIZE (ZEA MAYS L.).
- APOMIXIS, POLYPLOIDY, AND SPECIATION IN DICHANTHIUM.
- Thrombophlebitis with diazepam used intravenously.
- Duodenoscopy in diagnosis of occult peptic ulcer disease.
- Endoscopic therapy for patients with a post-operative biliary leak.
- Emergency endoscopic retrograde cholangiopancreatography in critically ill patients.
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