Tarqui-Mamani C, Barreda A, Barreda M, Sanabria-Rojas H. Pervalence of the attempts to stop pregnancy and associated factors in a marginal suburban comunnity in Lima-Peru, 2006. Rev Peru Med Exp Salud Publica. 2010;27(1). doi:10.17843/rpmesp.2010.271.1442