A., E.C. (2009) “Distribution of Heavy Metals in Bones, Gills, Livers and Muscles of (Tilapia) Oreochromis niloticus from Henshaw Town Beach Market in Calabar Nigeria”, Pakistan Journal of Nutrition, 8(8), pp. 1209–1211. doi:10.3923/pjn.2009.1209.1211.