Kasai, Y [History of surgery in Hokkaido in the last 50 years]. [electronic resource] - [Hokkaido igaku zasshi] The Hokkaido journal of medical science Jan 1975 - 1-4 p. digital Publication Type: Historical Article; Journal Article ISSN: 0367-6102 Subjects--Topical Terms: Education, Medical--historyGeneral Surgery--educationHistory, 20th CenturyJapan