Siddiqui, U A Mechanisms of action of the antifertility agents U11, 100A and U11,555A in the rat. [electronic resource] - Journal of reproduction and fertility Jul 1976 - 251-4 p. digital Publication Type: Journal Article ISSN: 0022-4251 Standard No.: 10.1530/jrf.0.0470251 doi Subjects--Topical Terms: AnimalsContraceptives, Postcoital--pharmacologyContraceptives, Postcoital, Synthetic--pharmacologyEmbryo Implantation--drug effectsFemaleIndenes--pharmacologyNafoxidine--pharmacologyOrgan Size--drug effectsOvum Transport--drug effectsPyrrolidines--pharmacologyRatsUterus--drug effects