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Contraception|April 1, 1982
A clinical trial of norethisterone oenanthate (Norigest) injected every two monthsG Howard, M Blair, J K Chen, et al.
Contraception|November 1, 1981
Intrauterine contraception with Nova-T and copper-T-200 during three yearsK G Nygren, N C Nielsen, T Pyörälä, et al.
Contraception|February 1, 1981
Studies on the enzymatic cleavage of norethisterone oenanthateD J Back, A M Breckenridge, C R Chapman, et al.
Contraception|February 1, 1981
Antifertility activity of Montanoa tomentosa (Zoapatle)D W Hahn, E W Ericson, M T Lai, et al.
Contraception|February 1, 1981
A new non-hormonal pregnancy-terminating agentG Galliani, A Assandri, L Gallico, et al.
Contraception|March 1, 1981
Evaluation of STS-557 as a postcoital contraceptive in the baboonV D Castracane, J W Goldzieher
Contraception|June 10, 2015
Continuing pregnancy after mifepristone and "reversal" of first-trimester medical abortion: a systematic reviewDaniel Grossman, Kari White, Lisa Harris, et al.
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