TY  - BOOK
AU  - Hafez, Elsayed Saad Eldin
AU  - Os, W. A. A. Van
TI  - Biodegradable and delivery systems for contraception
T2  - Progress in contraceptive delivery systems ; vol. 1
SN  - 0816122156
PY  - 1980///
CY  - Boston
PB  - G. K. Hall
KW  - Biodegradation
KW  - Contraception - Trends
KW  - Contraceptive agents
KW  - Contraceptive devices
N1  - Acc. No. 09811
ER  -