title: Acid hydrolases in amniotic fluid and chorionic villi at various stages of pregnancy.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000201:enzymology*; D001706:Biopsy; D002850:Chromatography, Gel; D005260:Female; D005696:Galactosidases / Q000378:metabolism; D005959:Glucosidases / Q000378:metabolism; D005966:Glucuronidase / Q000378:metabolism; D006026:Glycoside Hydrolases / Q000378:metabolism*; D006596:Hexosaminidases / Q000378:metabolism; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D007700:Kinetics; D008099:Liver / Q000201:enzymology; D008358:Mannose; D009928:Organ Specificity; D010920:Placenta / Q000166:cytology / Q000201:enzymology*; D011247:Pregnancy; D013997:Time Factors
chemical_list: D005696:Galactosidases; D005959:Glucosidases; D006026:Glycoside Hydrolases; D006596:Hexosaminidases; D005966:Glucuronidase; D008358:Mannose