TY  - BOOK
AU  - Sheps, Mindel C
ED  - Symposium on Research Issues in Public Health and Population Change
TI  - Public health and population change: current research issues 
AV  - HQ 766 S9
PY  - 1965///
CY  - Pittsburgh, Pa.
PB  - University of Pittsburgh
KW  - Control de la natalidad
ER  -