title: New forms of  amino acid naphthylamidase in pregnancy.
mesh_terms: D000596:Amino Acids; D000619:Aminohydrolases / Q000097:blood*; D002822:Choriocarcinoma / Q000201:enzymology; D004591:Electrophoresis, Polyacrylamide Gel; D005260:Female; D006801:Humans; D009281:Naphthalenes; D009369:Neoplasms / Q000201:enzymology; D011247:Pregnancy
chemical_list: D000596:Amino Acids; D009281:Naphthalenes; D000619:Aminohydrolases