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Imwalle DB, Fernandez DL, Schillo KK. Melengestrol acetate blocks the preovulatory surge of luteinizing hormone, the expression of behavioral estrus, and ovulation in beef heifers. J Anim Sci. 2002 May;80(5):1280–4. doi: 10.2527/2002.8051280x. PMID: 12019616. |