Evans, M. B.; Parikh, T.; DeCherney, A. H.; Csokmay, J. M.; Healy, M. W. & Hill, M. J. (2019), 'Evaluation of the cost-effectiveness of ovulation suppression with progestins compared with GnRH analogs in assisted reproduction cycles', Reprod Biomed Online 38 (5), 691-698.

男女做爰高清免费视频-骚虎视频-4虎视频