title: Prevention of pica, the major cause of lead poisoning in children.
mesh_terms: D000367:Age Factors; D001294:Attitude to Health; D002654:Child Care; D002675:Child, Preschool; D005006:Ethnicity; D005191:Family Characteristics; D005260:Female; D006266:Health Education; D006798:Housing; D006801:Humans; D007223:Infant; D007855:Lead Poisoning / Q000517:prevention & control*; D008297:Male; D010287:Parent-Child Relations; D010842:Pica / Q000517:prevention & control*; D011166:Porphyrins / Q000652:urine; D011203:Poverty; D011638:Public Housing; D012494:Sampling Studies; D012959:Socioeconomic Factors; D014768:Virginia
chemical_list: D011166:Porphyrins