title: Investigations on the arylsulfatase activity of the human placenta. I. Placental arylsulfatase activity in various periods of pregnancy.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D005865:Gestational Age; D006801:Humans; D010920:Placenta / Q000201:enzymology*; D010929:Placentation; D011247:Pregnancy; D011506:Proteins / Q000378:metabolism; D013429:Sulfatases / Q000378:metabolism*
chemical_list: D011506:Proteins; D013429:Sulfatases