We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleZinc Protoporphyrin/Heme Ratio for Diagnosis of Preanemic Iron DeficiencyAuthorsRettmer, Rebecca L.; Carlson, Timothy H.; Origenes, Maurice L.; MD, Jr,; Jack, Rhona M.; Labbé, Robert F.PublicationPediatrics, 1999, Vol 104, Issue 3, pe37ISSN0031-4005Publication typearticleDOI10.1542/peds.104.3.e37