Ota, D M The use of histidase for the study of amniotic cell origin and histidinemia. [electronic resource] - American journal of obstetrics and gynecology Oct 1973 - 567-71 p. digital Publication Type: Journal Article ISSN: 0002-9378 Standard No.: 10.1016/0002-9378(73)90123-3 doi Subjects--Topical Terms: Ammonia-Lyases--physiologyAmniotic Fluid--cytologyCells, CulturedClinical Enzyme TestsCulture TechniquesFemaleFetus--cytologyGestational AgeHistidine--bloodHistidine Ammonia-Lyase--physiologyHumansLiver--enzymologyMetabolism, Inborn Errors--enzymologyPregnancyStaining and LabelingUrocanate Hydratase--physiology