title: A simple protoporphyrin assay-microhematocrit procedure as a screening technique for increased lead absorption in young children.
mesh_terms: D000740:Anemia / Q000150:complications; D002648:Child; D002675:Child, Preschool; D005188:False Negative Reactions; D005189:False Positive Reactions; D005470:Fluorometry; D005500:Follow-Up Studies; D006400:Hematocrit; D006801:Humans; D007223:Infant; D007854:Lead / Q000097:blood; D007855:Lead Poisoning / Q000097:blood / Q000150:complications / Q000175:diagnosis*; D008403:Mass Screening; D011166:Porphyrins / Q000097:blood*; D012044:Regression Analysis; D013053:Spectrophotometry
chemical_list: D011166:Porphyrins; D007854:Lead