TY  - GEN
AU  - Back,D J
AU  - Breckenridge,A
AU  - Orme,M
AU  - Shaw,M A
TI  - Pharmacokinetic and "potency" of contraceptive steroids
SN  - 0140-6736
PY  - 1984///0224
KW  - Contraceptives, Oral
KW  - metabolism
KW  - Contraceptives, Oral, Combined
KW  - Female
KW  - Humans
KW  - Kinetics
KW  - Levonorgestrel
KW  - Norethindrone
KW  - Norgestrel
N1  - Publication Type: Letter
UR  - https://doi.org/10.1016/s0140-6736(84)90113-2
ER  -