title: Effect of sample storage on the assay of erythrocyte protoporphyrin by the hematofluorometer method.
mesh_terms: D001793:Blood Preservation; D002675:Child, Preschool; D004912:Erythrocytes / Q000032:analysis*; D005470:Fluorometry / Q000379:methods*; D006801:Humans; D007223:Infant; D011166:Porphyrins / Q000032:analysis*; D011524:Protoporphyrins / Q000032:analysis*
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins