TY  - GEN
AU  - Schindler,A E
TI  - The 3-keto-desogestrel/ethinylestradiol ring: a new parenteral form of hormonal contraception
SN  - 0301-2115
PY  - 1993///1007
KW  - Adult
KW  - Contraception
KW  - methods
KW  - Contraceptive Devices, Female
KW  - adverse effects
KW  - Desogestrel
KW  - administration & dosage
KW  - Ethinyl Estradiol
KW  - Female
KW  - Humans
KW  - Progesterone Congeners
N1  - Publication Type: Clinical Trial; Journal Article; Multicenter Study
UR  - https://doi.org/10.1016/0028-2243(93)90101-h
ER  -