Child labor in 1990: prevalence and health hazards.
Pollack
S H
SH
Department of Community Medicine, Mount Sinai School of Medicine, New York, NY 10029.
Landrigan
P J
PJ
Mallino
D L
DL
D002648:Child; D002669:Child Welfare / Q000266:history / Q000331:legislation & jurisprudence*; D002675:Child, Preschool; D004651:Employment / Q000266:history; D005544:Forecasting; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D014481:United States