Emergency contraception.
Ellertson
C
C
Blanchard
K
K
Webb
A
A
Bigrigg
A
A
Haskell
S
S
D003281:Contraceptives, Postcoital / Q000191:economics*; D045166:Estradiol Congeners / Q000008:administration & dosage; D004997:Ethinyl Estradiol / Q000008:administration & dosage; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage / Q000191:economics*
D003281:Contraceptives, Postcoital; D045166:Estradiol Congeners; D004997:Ethinyl Estradiol; D016912:Levonorgestrel