title: Why are there different reference intervals for the kinetic angiotensin-converting enzyme assay?
mesh_terms: D001322:Autoanalysis / Q000379:methods; D006801:Humans; D007700:Kinetics; D007703:Peptidyl-Dipeptidase A / Q000592:standards*; D012016:Reference Values; D013056:Spectrophotometry, Ultraviolet
chemical_list: D007703:Peptidyl-Dipeptidase A