TY  - BOOK
TI  - Population reports
PY  - 1978///
CY  - Washington, D.C.
PB  - Departament of Medical and Public Affairs, The George Washington University Medical Center
KW  - Esterilización
KW  - Anticoncepción
KW  - Anticonceptivos
N1  - Folletería permanente
ER  -