Affiliation: | (1) Department of Thoracic and Cardiovascular Surgery, Osaka Medical College, 2-7 Daigaku-cho, Takatsuki-city, Osaka 569, Japan, JP;(2) Department of Laboratory Medicine, Division of Pathology, Osaka Medical College, 2-7 Daigaku-cho, Takatsuki-city, Osaka 569, Japan, JP |