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Title
Zinc protoporphyrin/heme ratio for diagnosis of preanemic iron deficiency.
Authors
Rettmer, R L; Carlson, T H; Origenes, M L; Jack, R M; Labb, R F
Abstract
Iron deficiency anemia is known to impair cognitive and psychomotor development. The zinc protoporphyrin/heme (ZPP/H) ratio is a simple, accurate, and sensitive laboratory screening test that detects early iron depletion before the onset of anemia. The objective of this work was to evaluate this test in a primary pediatric practice setting.