Sgarbieri, Ursula Rohr, Mauro Fisberg, and Luis Gonzaga Tone. “Nutritional Assessment and Serum Zinc and Copper Concentration in Leukemic Children”. São Paulo Medical Journal 117, no. 1 (January 1, 1999): 13–18. Accessed March 15, 2025. https://periodicosapm.emnuvens.com.br/spmj/article/view/2418.