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APA Citation
Palm, E., & Dotson, B. (2015). copper and Zinc Deficiency in a Patient Receiving Long-Term Parenteral Nutrition During a Shortage of Parenteral Trace Element Products. JPEN, Journal of parenteral and enteral nutrition, 39, 986–989. http://access.bl.uk/ark:/81055/vdc_100069640373.0x000024