Y. Niwa

Endoscopic repair by clipping of iatrogenic colonic perforation

H. Yoshikane, Hitoshi Hidano, Akira Sakakibara et al. · Gastrointestinal Endoscopy · 1997 · 169 citations

Colorectal Surgery, Iatrogenic Colonic Perforation, Gastroenterology +2

Preoperative staging of superficial esophageal carcinoma: comparison of an ultrasound probe and standard endoscopic ultrasonography

Nakaba Hasegawa, Y. Niwa, Tomiyasu Arisawa et al. · Gastrointestinal Endoscopy · 1996 · 165 citations

Esophagus, Health Sciences, Medical Imaging +9

Characterization of Ws mutant allele of rats: a 12-base deletion in tyrosine kinase domain of c-kit gene

Tohru Tsujimura, Seiichi Hirota, Shogo Nomura et al. · Blood · 1991 · 149 citations

Endoscopic assessment of invasion of colorectal tumors with a new high-frequency ultrasound probe

Masahiro Yoshida, Yoshihisa Tsukamoto, Y. Niwa et al. · Gastrointestinal Endoscopy · 1995 · 74 citations

Medical Ultrasound, Medical Imaging, Endoscopic Assessment +13

Endoscopic ultrasonography in the diagnosis of submucosal lesions of the large intestine

Hiroyuki Kameyama, Y. Niwa, Tomiyasu Arisawa et al. · Gastrointestinal Endoscopy · 1997 · 69 citations

Large Intestine, Medical Imaging, Endoscopic Ultrasonography +15