Research Article
Association of Helicobacter pylori Infection with Seasonal Behavior of Duodenal Ulcer
Baqiyatallah Research Center for Gastroenterology and Liver Disease, Tehran, Iran
Mohsen Amini
Baqiyatallah Research Center for Gastroenterology and Liver Disease, Tehran, Iran
Amir Masoud Jafari
Department of Internal Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran
Farhad Nasiri Afshar
Department of Internal Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran
Morteza Izadi
Military Health Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
Hamid Reza Jalalian
Department of Internal Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran
Farahnaz Fallahian
Baqiyatallah Research Center for Gastroenterology and Liver Disease, Tehran, Iran
Mohammad Hassan Naseri
Department of Surgery, Baqiyatallah University of Medical Sciences, Tehran, Iran
Mahboobeh Sadat Hosseini
Department of Internal Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran