title: A THREE-YEAR STUDY OF LEAD POISONING IN CHICAGO. II. CASE FINDING IN ASYMPTOMATIC CHILDREN USING URINARY COPROPORPHYRIN AS A SCREENING TEST.
mesh_terms: D001826:Body Fluids; D002641:Chicago; D002648:Child; D003306:Coproporphyrins; D006801:Humans; D007087:Illinois; D007223:Infant; D007855:Lead Poisoning; D011166:Porphyrins; D013223:Statistics as Topic; D014551:Urinary Tract; D014556:Urine
chemical_list: D003306:Coproporphyrins; D011166:Porphyrins
keywords: CHILD; ILLINOIS; INFANT; LEAD POISONING; PORPHYRINS; STATISTICS; URINE