00475nam a22002177i 4500 20141212085829.0 870601s1987 sp gr 000 0 spa c spa RAMOS, J.M. SIFILIS Y EMBARAZO Embarazo ETS Fetopatías Documental JANO Vol. 33, no. 774 (1987), p. 37-44 40.3 A3a AR 19870601 R.674 Depósito (72/73/74) AR