Effect of Maternal Smoking During Pregnancy on Offspring's Cognitive Ability: Empirical Evidence for Complete Confounding in the US National Longitudinal Survey of Youth

PEDIATRICS ◽  
2006 ◽  
Vol 118 (3) ◽  
pp. 943-950 ◽  
Author(s):  
G. D. Batty ◽  
G. Der ◽  
I. J. Deary
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