TY - RPRT TI - An improved method for measuring angiotensin I converting enzyme activity using a highly sensitive angiotensin II radioimmunoassay. AU - H Hidaka AU - S Sawada AU - R Sato AU - H Oka PY - 1985 DO - 10.1507/endocrj1954.32.803 UR - https://pubmed.ncbi.nlm.nih.gov/3009165/ ID - 3009165 ER -