serum levels of triiodothyronine ( t3 ) , thyroxine ( t4 ) , angiotensin i both basal and generated by incubation of plasma samples were measured by radioimmunoassay , while , prc and prs were evaluated by triiodothyronine or thyroxine treatment induced a decrease in prs and an increase in prc whereas triiodothyronine alone produced an increase in the basal levels of angiotensin i and pra .
C0003006
angiotensin i
C0003018
angiotensin