TY  - BOOK
AU  - Greep, Roy O
AU  - Jaffe, Frederick S
AU  - Koblinsky, Marjorie A
TI  - Reproduction and human influence
SN  - 262070677
CY  - Cambridge
KW  - Birth control
KW  - Challenging to reproductive research
KW  - Conception - prevention - research
KW  - Contraception
KW  - Contraceptive
KW  - Family planning
KW  - Human reproduction - research
ER  -