M. Onaka
Japanese Journal of Cardiovascular Surgery 1980;10(1):47-48
Japanese Journal of Cardiovascular Surgery 1981;11(4):275-276
Japanese Journal of Cardiovascular Surgery 1985;15(2):175-176
Japanese Journal of Cardiovascular Surgery 1982;12(1):25-26
Japanese Journal of Cardiovascular Surgery 1984;13(3):242-243