APA

Echternkamp S. E., Aad P. Y., Eborn D. R. & Spicer L. J. (20121220). Increased abundance of aromatase and follicle stimulating hormone receptor mRNA and decreased insulin-like growth factor-2 receptor mRNA in small ovarian follicles of cattle selected for twin births. : Journal of animal science.

Chicago

Echternkamp S E, Aad P Y, Eborn D R and Spicer L J. 20121220. Increased abundance of aromatase and follicle stimulating hormone receptor mRNA and decreased insulin-like growth factor-2 receptor mRNA in small ovarian follicles of cattle selected for twin births. : Journal of animal science.

Harvard

Echternkamp S. E., Aad P. Y., Eborn D. R. and Spicer L. J. (20121220). Increased abundance of aromatase and follicle stimulating hormone receptor mRNA and decreased insulin-like growth factor-2 receptor mRNA in small ovarian follicles of cattle selected for twin births. : Journal of animal science.

MLA

Echternkamp S E, Aad P Y, Eborn D R and Spicer L J. Increased abundance of aromatase and follicle stimulating hormone receptor mRNA and decreased insulin-like growth factor-2 receptor mRNA in small ovarian follicles of cattle selected for twin births. : Journal of animal science. 20121220.