title: Problems of measuring serum angiotensin converting enzyme in the RA-1000.
mesh_terms: D001322:Autoanalysis / Q000295:instrumentation; D005069:Evaluation Studies as Topic; D005188:False Negative Reactions; D006801:Humans; D007703:Peptidyl-Dipeptidase A / Q000097:blood*; D011786:Quality Control
chemical_list: D007703:Peptidyl-Dipeptidase A