Croxatto, H.B.Díaz, S.2007-11-131987-04-012007-11-131987http://hdl.handle.net/10625/16998PhotocopyText1 digital file (p. 181-195)application/pdfenCONTRACEPTIVE METHODSBREAST FEEDINGINTRAUTERINE DEVICESHORMONESRISKBook Chapter