Kaydı eposta ile gönder: New bile acid analogs: 3 alpha, 7 alpha-dihydroxy-7 beta-methyl-5 beta-cholanoic acid, 3 alpha, 7 beta-dihydroxy-7 alpha-methyl-5 beta-cholanoic acid, and 3 alpha-hydroxy-7 xi-methyl-5 beta-cholanoic acid.