00500cam a2200169   4500001001100000008004100011035001500052050002300067100001800090245007700108260003300185300002100218500001200239650002700251650002700278700002500305BFIL012020       1972                        spa    aBFIL012020 4aPG137b.5 M55 19721 aMintz, Morton 3aLa Pildora : un reportaje alarmante /cMorton Mintz ; tr. Rafael Zavala.  aMéxico :bNova Dell,c1972  a187 p. ;c17 cm.  a1 ejem. 4aAnticonceptivos Orales 4aConcepcionxPrevencion1 aZavala, Rafael,etr.