01100nam 2200349Ka 450 991069734070332120080813155058.0(CKB)5470000002387526(OCoLC)243699312(EXLCZ)99547000000238752620080813d2004 ua 0spatxtrdacontentcrdamediacrrdacarrierLas píldoras anticonceptivas y el riesgo de cáncer[electronic resource][Bethesda, Md.] :National Cancer Institute,[2004]12 pages digital, PDF fileHojas informativas ;3.13sTitle from title screen (viewed on Aug. 13, 2008)."1/30/04."Oral contraceptivesCancerRisk factorsOral contraceptives.CancerRisk factors.National Cancer Institute (U.S.)GPOGPOBOOK9910697340703321Las píldoras anticonceptivas y el riesgo de cáncer3482693UNINA