Youssef, Hamdy Hussein Essa. Determination of some trace elmentes in imported fish and meat [microform] / تعين بعض العناصر النادرة في الأسماك و اللحوم المستوردة. Hamdy Hussein Essa Youssef - 1994 - 68, [3] leaves : ill. ; 30 cm. Thesis ( M.S.) -- Assiut University, 1994. Includes bibliographical reference (leaves50-68 ) Microfiche. Cairo, Egypt : ASUNET, 2 microfiche : negative. Summary in Arabic. Subjects--Topical Terms: Trace elements.Fish as food--Contamination .Meat--Contamination.Fishes--Effect of heavy metals on.Heavy metals Toxicology.