K. Ohtsuka

Changes of heart rate and QT interval at high altitude in alpinists: Analysis by holter ambulatory electrocardiogram

Y. Hatori, I. Takasaki, M. Horii, 1987, Clinical cardiology.

Hemodynamic Effects of Lisinopril, a New Angiotensin Converting Enzyme Inhibitor, and Betaxolol, a New β1-Selective, β-Blocking Agent, in Essential Hypertension

K. Ohtsuka, H. Tsukiyama, 1990 .

General lectures (II)

K. Kondo, Y. Sato, K. Akagi, 1973, Gastroenterologia Japonica.