The usefulness of endoscopic ultrasound in the differential diagnosis between benign and malignant gastric ulcer.
Zhang
Weiguo
W
Department of Gastroenterology, Taihe Hospital, Yunyang Medical College, Shiyan, Hubei, China.
Tong
Qiang
Q
Chen
Zihua
Z
Gao
Yuanjun
Y
Jin
Shu
S
Wang
Qiang
Q
Li
Shengbao
S