title: Species and strain differences in the epimerization of 3-beta, 17-beta-dihydroxy-17-alpha-ethynyl-delta-5 (10)-estrene to the 3 alpha-hydroxy epimer.
mesh_terms: D000818:Animals; D001711:Biotransformation; D002849:Chromatography, Gas; D006224:Cricetinae; D004967:Estrogens / Q000378:metabolism*; D005849:Gerbillinae / Q000378:metabolism; D006168:Guinea Pigs; D007535:Isomerases / Q000378:metabolism*; D007536:Isomerism; D007700:Kinetics; D008099:Liver / Q000201:enzymology* / Q000378:metabolism; D013058:Mass Spectrometry; D051379:Mice; D009641:Norethynodrel / Q000378:metabolism; D011817:Rabbits; D051381:Rats / Q000378:metabolism*; D013045:Species Specificity
chemical_list: D004967:Estrogens; D009641:Norethynodrel; D007535:Isomerases