Cushman, R A Alteration of activation, growth, and atresia of bovine preantral follicles by long-term treatment of cows with estradiol and recombinant bovine somatotropin. [electronic resource] - Biology of reproduction Aug 2001 - 581-6 p. digital Publication Type: Journal Article ISSN: 0006-3363 Standard No.: 10.1095/biolreprod65.2.581 doi Subjects--Topical Terms: AnimalsApoptosisCattle--physiologyDrug ImplantsEstradiol--administration & dosageFemaleFollicular Atresia--drug effectsHuman Growth Hormone--administration & dosageImmunohistochemistryOvarian Follicle--chemistryProliferating Cell Nuclear Antigen--analysis