TY  - GEN
AU  - Spellacy,W N
TI  - A perspective on progestogens in oral contraceptives
SN  - 0002-9378
PY  - 1982///0527
KW  - Contraceptives, Oral
KW  - adverse effects
KW  - Contraceptives, Oral, Hormonal
KW  - Contraceptives, Oral, Synthetic
KW  - Female
KW  - Humans
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/s0002-9378(16)32475-9
ER  -