Title: Yi Sŏng-ho kyosu nonmunjip.
Authors: Sŏul Taehakkyo.
Publisher: Sŏul Taehakkyo Ŭikwa Taehak Sunhwanʾgi Naekwa Kyosil Tongmun Iltong,
Year: 1979
Subjects: Yi, Sŏng-ho,; Cardiovascular system Diseases