1) Abe, K., Otsuka, Y., Saito, T., Chin, B. S., Aoyagi, H., Miyazaki, S., Irokawa, N., Seino, M., Miura, Y., Ono, I., Minai, K., Kobayashi, K., Sato, T. & Yoshinaga, K. (1972) Measurement of plasma renin activity by angiotensin I radioimmunoassay: a modification of Haber's method. Jap. Circulat. J., 36, 741-749.
2) Abe, K., Irokawa, N., Aoyagi, H., Memezawa, H., Yasujima, M., Otsuka, Y., Saito, T. & Yoshinaga, K. (1975) Circulating renin in essential hypertension: an evaluation of its significance in the Japanese population. Amer. Heart J., 89, 723-730.
3) Amery, A., Stroobant, R. & Fagard, R. (1973) Prognosis in low renin hypertension. New Engl. J. Med. 288, 267.
4) Brown, J. J., Dusterdieck, G., Robertson, J. I. S., Tree, M. & Weir, R. J. (1971) Hypertension and chronic renal failure. Brit. need. Bull., 27, 128-135.
5) Brunner, H. R., Sealey, J. E. & Laragh, J. H. (1973) Benin as a risk factor in essential hypertension: more evidence. Amer. J. Med., 55, 295-302.