O. Okawa

Absence of high-risk stigmata predicts good prognosis even in severely anemic patients with suspected acute upper gastrointestinal bleeding

N. Hosoe, Juntaro Matsuzaki, Shin Namiki, 2018, United European gastroenterology journal.

Direct invasion of HCC to the gastric wall diagnosed by endoscopic ultrasonography-guided fine needle aspiration

T. Kitagawa, M. Tamano, A. Kitahama, 2016 .

A simple scoring system to assess the need for an endoscopic intervention in suspected upper gastrointestinal bleeding: A prospective cohort study.

N. Hosoe, Juntaro Matsuzaki, Shin Namiki, 2016, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Shear wave elastography in hepatitis C patients before and after antiviral therapy

M. Tamano, Y. Katayama, Yoshinori Gyotoku, 2017, World journal of hepatology.

Two cases of immunoglobulin G4-related sclerosing cholangitis in which transabdominal ultrasonography was useful in diagnosis and follow-up observation

M. Tamano, I. Kobori, Y. Katayama, 2016, Journal of Medical Ultrasonics.

Changes in serum zinc levels in hepatitis C patients before and after treatment with direct‐acting antiviral agents

M. Tamano, O. Okawa, Ryosaku Shirahashi, 2019, Hepatology research : the official journal of the Japan Society of Hepatology.

A Case of HCV-Associated Liver Cirrhosis Who Developed Hepatocellular Carcinoma Twice After Sustained Viral Clearance with Direct-Acting Antiviral Agents

Y. Fujimoto, Y. Kusano, O. Okawa, 2018 .