A. Motaghifar, K. Hosseinzadeh, H. Shafipour, P. Shohre, D. Nasiri, and A. Tavakoli Vaskas, “Determination of Mercury, Cadmium, Tin and Nickel in Three Canned Tuna in Iran”, ajc, vol. 25, no. 10, pp. 5501–5502, May 2013.