(Q55032866)
Statements
Timing of emergency contraception with levonorgestrel or the Yuzpe regimen. Task Force on Postovulatory Methods of Fertility Regulation. (English)
1 reference
G Piaggio
1 reference
H von Hertzen
1 reference
D A Grimes
1 reference
P F Van Look
1 reference
1 February 1999
1 reference
353
1 reference
9154
1 reference
721
1 reference