title: Properties of enzymes. I. Study of superoxide dismutase activity change in human placenta of different ages.
mesh_terms: D002850:Chromatography, Gel; D004837:Epinephrine; D005260:Female; D006801:Humans; D007700:Kinetics; D009929:Organ Size; D010920:Placenta / Q000201:enzymology*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013482:Superoxide Dismutase / Q000302:isolation & purification / Q000378:metabolism*; D013997:Time Factors
chemical_list: D013482:Superoxide Dismutase; D004837:Epinephrine