title: Conversion of angiotensin. I. Measurement of plasma angiotensin I converting enzyme activity.
mesh_terms: D000327:Adsorption; D000804:Angiotensin II / Q000097:blood / Q000302:isolation & purification / Q000378:metabolism*; D001681:Biological Assay; D002021:Buffers; D010450:Endopeptidases / Q000097:blood*; D006493:Heparin / Q000008:administration & dosage; D006801:Humans; D009392:Nephrectomy; D010710:Phosphates; D010949:Plasma / Q000201:enzymology
chemical_list: D002021:Buffers; D010710:Phosphates; D000804:Angiotensin II; D006493:Heparin; D010450:Endopeptidases