@book{53317,
	author = {Mohsen, M. K.  and Khalafalla, M. M.},
	title = {Growth performance, rumen fermentation and blood constituents of goats fed diets supplemented with bentonite },
	url = {http://nile.enal.sci.eg/EALE/2005/JART/3105/2/195.pdf}
}