Differential diagnosis of polypoid lesions of the gallbladder by endoscopic ultrasonography
The American Journal of Surgery. 2001;181(1):65-70 
Golden standard of colorectal endoscopic ultrasonography for the definitive diagnosis of colorectal cancer
Digestive Endoscopy. 2008;13:S22-S26
Differential diagnosis of large-sized pedunculated polypoid lesions of the gallbladder by endoscopic ultrasonography: a prospective study
Journal of Gastroenterology. 2001;36(9):619-622
Endoscopic ultrasonography for gallbladder disease
Gastroenterology. 1999;116(4):1018
Transabdominal and transvaginal ultrasonography in the diagnosis of ectopic pregnancy: A comparative study
Annals of Emergency Medicine. 1991;20(1):110
Comparative Study between Endoscopic Ultrasonography and Transabdominal Ultrasonography in the Assessment of Pancreatobiliary Diseases (with Literatures Review)
Open Journal of Gastroenterology. 2016;06(02):17-30
OC78: Adenomyosis: diagnosis by transabdominal-ultrasound- guided transcervical myometrial needle biopsy for suspicious lesion on transvaginal ultrasonography
Ultrasound in Obstetrics and Gynecology. 2006;28(4):381-381
Roles of endoscopic and intraductal ultrasonography in the diagnosis of pancreaticobiliary lesions
Digestive Endoscopy. 2008;13:S42-S46
Endoscopic Diagnosis of Ampullary Tumors Using Conventional Endoscopic Ultrasonography and Intraductal Ultrasonography in the Era of Endoscopic Papillectomy: Advantages and Limitations
Clinical Endoscopy. 2014;47(2):127
Usefulness of transvaginal ultrasonography in the diagnosis of adnexal tumors in pregnancy, in comparison with transabdominal ultrasonography (In Japanese)
Clinical Imaging. 1995;19(1):73-74