(1) Departments of Surgery and,;(2) Pathology, The Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390, Japan, JP;(3) Higashiguchi-Hospital, 356-1 Kurita, Nagano 380, Japan, JP
Abstract:
(Received for publication on July 1, 1996; accepted on July 8, 1997)