TY  - BOOK
AU  - Bogue Donald J
AU  - Bogue Elizabeth J
TI  - Techniques of pregnancy history analysis
U1  - 304.632 
PY  - 1970///
CY  - Chicago
PB  - Chicago University
KW  - Data processing
KW  - Human fertility
KW  - Pregnancy
KW  - Statistics
ER  -