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- [2] POTENTIAL TOXIC EFFECTS OF TRACE-ELEMENTS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1977, 174 (SEP): : 4 - 4
- [10] TOXIC TRACE-ELEMENTS IN FOODSTUFFS - PROBLEMS OF HEALTH DAMAGE UNIVERSITAS-STUTTGART, 1977, 19 (02): : 101 - 106