TY  - RPRT
TI  - Lead, IQ and social class.
AU  - D Bellinger
AU  - A Leviton
AU  - C Waternaux
PY  - 1989
DO  - 10.1093/ije/18.1.180
UR  - https://pubmed.ncbi.nlm.nih.gov/2722362/
ID  - 2722362
ER  -