@article{articleb2b062b4,
title   = {Multicenter, double-blind, comparative clinical study on the efficacy and acceptabilitty of a monthly injectable contraceptive combination of 150 mg dihydroxyprogesterone acetophenide and 10 mg estradiol enanthate compared to a monthly injectable contraceptive combination of 90 mg dihydroxyprogesterone acetophenidide and 6 mg estradiol enanthate},
author = {Coutinho, Elsimar M and Spinola, Paulo and Barbosa, Ione and Gatto, Marisa and Tomaz, Geraldez and Morais, Kléber and Yazlle, Marta Edna and Souza, Rosival Nassar de and Pinho Neto, João Sabino and Leal, Weydson de Barros and Leal, Cláudio and Hippolito, Sílvia Bomfim and Abranches, Anthony D Áurea},
year = {1997},
doi = {10.1016/s0010-7824(97)00018-8},
journal   = {Contraception}
}