@article {Colazo:15 September 2003:0093-691X:855,
	author = "Colazo M.G.",
	author = "Kastelic J.P.",
	author = "Mapletoft R.J.",
	title = "Effects of estradiol cypionate (ECP) on ovarian follicular dynamics, synchrony of ovulation, and fertility in CIDR-based, fixed-time AI programs in beef heifers",
	journal = "Theriogenology",
	volume = "60",
	year = "15 September 2003",
	abstract = "",
	pages = "855-865(11)",
	url = "http://www.ingentaconnect.com/content/els/0093691x/2003/00000060/00000005/art00091"
	doi = "doi:10.1016/S0093-691X(03)00091-8	"
}