@book{74611,
	author = {Essam AbouWarda Mohamed and Elham Elkhashab , },
	title = {Studies on emerging diseases and their effect on EGG production and hatchability in broiler breeders in Egypt / },
	publisher = {Essam AbouWarda Mohamed , },
	year = {2003},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}