TY  - BOOK
AU  - Poti S J
AU  - Chakarborti B
AU  - Malakar C R
TI  - Reliability of data relating to contraceptive practices
U1  - 000SC:613.943 
PY  - 1960///
CY  - new york
PB  - Milbank Memorial Fund
KW  - Reliability data
ER  -