Ivanenko, T I [Comparative study of the estrogenic, antifertility and antigonadotropic effects of modified estrogens]. [electronic resource] - Problemy endokrinologii 1980 - 67-74 p. digital Publication Type: Comparative Study; English Abstract; Journal Article ISSN: 0375-9660 Subjects--Topical Terms: AnimalsContraceptives, OralContraceptives, Oral, HormonalDrug Evaluation, PreclinicalEmbryo Implantation--drug effectsEstradiol Congeners--pharmacologyEstrus--drug effectsFemaleFertility--drug effectsMalePregnancyRatsTestis--drug effectsUterus--drug effects