Leyva, V Follicular activity and ovulation regulated by exogenous progestagen and PMSG in anestrous ewes. [electronic resource] - Theriogenology Aug 1998 - 377-93 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0093-691X Standard No.: 10.1016/s0093-691x(98)00147-2 doi Subjects--Topical Terms: AnimalsCorpus Luteum--anatomy & histologyFemaleGonadotropins, Equine--pharmacologyLuteinizing Hormone--bloodLuteolysisMedroxyprogesterone Acetate--pharmacologyOvarian Follicle--anatomy & histologyOvulation--drug effectsProgesterone Congeners--pharmacologySheep--physiology