title: Serum zinc level in pica.
mesh_terms: D002648:Child; D002675:Child, Preschool; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007223:Infant; D010842:Pica / Q000097:blood* / Q000209:etiology; D015032:Zinc / Q000097:blood* / Q000172:deficiency / Q000627:therapeutic use
chemical_list: D006454:Hemoglobins; D015032:Zinc