Effects of seasonal variations on acute upper gastrointestinal bleeding and its etiology
Orhan SEZGİN, Engin ALTINTAŞ, Anıl TOMBAK
(Turk J Gastroenterol 2007; 18: 172-176)
Orhan SEZGİN, Engin ALTINTAŞ, Anıl TOMBAK
(Turk J Gastroenterol 2007; 18: 172-176)