Removal of intrahepatic stone by rigid ultrasonic lithotripter through a choledochotomy tract

Gastrointestinal Endoscopy - Tập 36 - Trang 402-404 - 1990
Siu Kai Ng1, Wai Chun Yip1, Wing Cheong Chow1, Tak Kuen Choi1
1Department of Surgery, University of Hong Kong, Kwong Wah Hospital, Kowloon, Hong Kong

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