Journal Article
Preregistration study on the safety and contraceptive efficacy of a progesterone-releasing vaginal ring in Chilean nursing women
Authors: Rebeca Massai, Patricia Miranda, P. Valdes, P. Lavin, Ana Zepeda, M.E. Casado, M.A. Silva, G. Fetis, C. Bravo, O. Chandia, O. Peralta, Horacio B. Croxatto, Soledad Diaz.
Contraception
Publication Date: 1999