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Cycle control, tolerability, and satisfaction among women switching from 30-35 microg ethinyl estradiol-containing oral contraceptives to the triphasic norgestimate/25 microg ethinyl estradiol-containing oral contraceptive Ortho Tri-Cyclen LO.
Poindexter AN, Burkman R, Fisher AC, LaGuardia KD. Poindexter AN, et al. Among authors: laguardia kd. Int J Fertil Womens Med. 2003 Jul-Aug;48(4):163-72. Int J Fertil Womens Med. 2003. PMID: 13677549 Clinical Trial.
Levonorgestrel concentrations during use of levonorgestrel rod (LNG ROD) implants.
Sivin I, Lähteenmäki P, Ranta S, Darney P, Klaisle C, Wan L, Mishell DR Jr, Lacarra M, Viegas OA, Bilhareus P, Koetsawang S, Piya-Anant M, Diaz S, Pavez M, Alvarez F, Brache V, LaGuardia K, Nash H, Stern J. Sivin I, et al. Contraception. 1997 Feb;55(2):81-5. doi: 10.1016/s0010-7824(96)00276-4. Contraception. 1997. PMID: 9071516 Free article. Clinical Trial.
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