TY - GEN AU - Hall,D M TI - Lead levels and children's psychologic performance SN - 0028-4793 PY - 1979///0901 KW - Child KW - Child Behavior Disorders KW - etiology KW - Humans KW - Intelligence Tests KW - Lead KW - analysis KW - Lead Poisoning KW - psychology KW - Learning Disabilities KW - Pica KW - complications N1 - Publication Type: Letter ER -