Contamination of Cu, Zn, Fe and Mn in Katsuwonus pelamis (Linnaeus, 1758) from Karachi Fish Harbor and Potential Risks to Human Health  	
                							Quratulan Ahmed     1      ,							Levent Bat     2      ,							Farzana Yo   f     3      					
                International Journal of Marine Science, 2017, Vol. 7, No. 9
                
                
            


