Othen, L S Hormonal control of estrous cyclicity and attempted superovulation in wood bison (Bison bison athabascae). [electronic resource] - Theriogenology Jul 1999 - 313-23 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0093-691X Standard No.: 10.1016/S0093-691X(99)00131-4 doi Subjects--Topical Terms: AnimalsAnimals, ZooBisonCanadaChorionic Gonadotropin--pharmacologyCloprostenol--pharmacologyConservation of Natural ResourcesCorpus Luteum--cytologyDrug ImplantsEstradiol--analogs & derivativesEstrus--drug effectsFemaleFollicle Stimulating Hormone--pharmacologyNorgestrel--pharmacologyOvarian Follicle--cytologySuperovulation--drug effectsUltrasonography