TY  - GEN
AU  - Da Silva,A R
AU  - Coutinho,E M
TI  - Eighteen months contraception following subdermal insertion of silastic capsules containing norgestrienone
SN  - 0020-725X
PY  - 1980///0128
KW  - Adult
KW  - Contraceptive Agents, Female
KW  - Drug Evaluation
KW  - Drug Implants
KW  - Female
KW  - Humans
KW  - Norgestrienone
KW  - administration & dosage
KW  - Norpregnatrienes
KW  - Pregnancy
KW  - Time Factors
N1  - Publication Type: Journal Article
ER  -