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Crowell R, Ferris AM, Wood RJ, Joyce P, Slivka H (2006). "Comparative effectiveness of zinc protoporphyrin and hemoglobin concentrations in identifying iron deficiency in a group of low-income, preschool-aged children: practical implications of recent illness". Pediatrics118 (1): 224–32. PMID16818569. doi:10.1542/peds.2006-0156.
Blumberg WE, Eisinger J, Lamola AA, Zuckerman DM (1977). "The hematofluorometer". Clinical Chemistry23 (2 PT. 1): 270–4. PMID832391. Arquivado dende o orixinal o 15 de setembro de 2019. Consultado o 06 de xaneiro de 2014.
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Blumberg WE, Eisinger J, Lamola AA, Zuckerman DM (1977). "The hematofluorometer". Clinical Chemistry23 (2 PT. 1): 270–4. PMID832391. Arquivado dende o orixinal o 15 de setembro de 2019. Consultado o 06 de xaneiro de 2014.