TY  - BOOK
AU  - Hafez,E.S.E.
AU  - Os,W.A.A.van
TI  - Biodegradables and delivery systems for contraception
SN  - 0816122156
PY  - 1980///
CY  - Boston
PB  - G. K. Hall & Company
KW  - Contraceptive drugs
KW  - Drugs
KW  - Dosage forms
KW  - Vehicles
KW  - Biodegradation
KW  - Contraceptive Agents
KW  - Contraceptive devices
KW  - Contraception
KW  - Trends
N1  - Includes index
ER  -