RT Article T1 Trends in environmental lead exposure and troubled youth, 1960-1995 JF Social science research VO 33 IS 2 SP 339 OP 359 A1 McCall, Patricia L. A2 Land, Kenneth C. 1942- LA English YR 2004 UL https://krimdok.uni-tuebingen.de/Record/1912729288 DO 10.1016/j.ssresearch.2003.06.002