title: Sources of variation in fluorometry of zinc protoporphyrin in blood.
mesh_terms: D004912:Erythrocytes / Q000032:analysis; D005470:Fluorometry / Q000592:standards*; D011166:Porphyrins / Q000097:blood*; D011524:Protoporphyrins / Q000097:blood*; D015032:Zinc / Q000097:blood*
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins; D015032:Zinc