Marked decrease in serum pepsinogen II levels resulting from endoscopic resection of a large duodenal tumor

Por Yada, Tomoyuki, Ito, Koichi, Suzuki, Keigo, Okubo, Koki, Aoki, Yoichiro, Akazawa, Naoki, Koizuka, Hitohiko, Ishida, Tsuyoshi, Uemura, Naomi
Publicado no Clin J Gastroenterol (2014)