Effect of age on the renin-angiotensin-aldosterone system in normal subjects: simultaneous measurement of active and inactive renin, renin substrate, and aldosterone in plasma - Tsunoda,K.; Abe,K.; Goto,T.; Yasujima,M.; Sato,M.; Omata,K.; Seino,M.; Yoshinaga,K. (J. Clin. Endocrinol. Metab., 1986)