@article {25429,
	title = {A contribution on chromium and lead toxicity in cultured Oreochromis Niloticus},
	journal = {J. Aquat. Biol. \& Fish},
	volume = {9},
	year = {2005},
	pages = {177-209},
	author = {Hanna, M.I and Iman, B. Shaheed and Elias, N.S}
}
