title: An improved colorimetric assay of angiotensin-converting enzyme in serum.
mesh_terms: D003124:Colorimetry; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006949:Hyperlipidemias / Q000201:enzymology; D007565:Jaundice / Q000201:enzymology; D008103:Liver Cirrhosis / Q000201:enzymology; D007703:Peptidyl-Dipeptidase A / Q000097:blood*; D012507:Sarcoidosis / Q000201:enzymology; D013056:Spectrophotometry, Ultraviolet
chemical_list: D007703:Peptidyl-Dipeptidase A