Nobutaro BAN ; Tsukasa TSUDA ; Yoshikazu TASAKA ; Hiroki SASAKI ; Ryuki KASSAI ; Mitsuru WAKUNAMI ; Satoru AZUMA ; Kazunori Aoi ; Noriaki OCHI ; Yasuhiro YAMAMOTO ; Katsuhiro ITO ; E. K. Kachur
Medical Education 1994;25(6):327-335