Fotherby K. Bioavailability of orally administered sex steroids used in oral contraception and hormone replacement therapy. Contraception. August 1996, 54 (2): 59–69. PMID 8842581. doi:10.1016/0010-7824(96)00136-9.
Korhonen T, Turpeinen M, Tolonen A, Laine K, Pelkonen O. Identification of the human cytochrome P450 enzymes involved in the in vitro biotransformation of lynestrenol and norethindrone. J. Steroid Biochem. Mol. Biol. 2008, 110 (1–2): 56–66. PMID 18356043. doi:10.1016/j.jsbmb.2007.09.025.
Fotherby K. Bioavailability of orally administered sex steroids used in oral contraception and hormone replacement therapy. Contraception. August 1996, 54 (2): 59–69. PMID 8842581. doi:10.1016/0010-7824(96)00136-9.
Korhonen T, Turpeinen M, Tolonen A, Laine K, Pelkonen O. Identification of the human cytochrome P450 enzymes involved in the in vitro biotransformation of lynestrenol and norethindrone. J. Steroid Biochem. Mol. Biol. 2008, 110 (1–2): 56–66. PMID 18356043. doi:10.1016/j.jsbmb.2007.09.025.