Multicenter clinical trial on the efficacy and acceptability of a single contraceptive implant of nomegestrol acetate, uniplant
Coutinho, Elsimar M.; De Souza, Jose Carlos; Athayde, Celia; Barbosa, Ione C.; Alvarez, Francisco; Brache, Vivian; Zhi-Ping, Gu; Emuveyan, Edward E.; Adekunle, Adeyemi O.; Devoto, Luigi; Shaaban, Mamdouh M.; Salem, Hosam T.; Affandi, Biran; De Acosta, Oscar Mateo; Mati (Elsevier USA, 1996)