A study of visualizing capability of the cystic duct by intrabiliary ultrasonography

Hironao Miyoshi, Saburo Nakazawa, Kenji Yamao, Junji Yoshino, Kazuo Inui, Hitoshi Yamachika, Naoto Kanemaki, Takao Wakabayashi, Kazumu Okushima, Teruhiko Iwase, Norihito Taki, Yuta Nakamura, Sayoko Mizutani, Toshiyuki Hattori, Hirohiko Yamase, Masaki Yoshida, Masao Fujimoto, Hitoshi Hidano, Masumi Watanabe