Maternal exposure to ambient levels of benzene and neural tube defects among offspring: Texas, 1999-2004.
Lupo
Philip J
PJ
Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston 77030, USA.
Symanski
Elaine
E
Waller
D Kim
DK
Chan
Wenyaw
W
Langlois
Peter H
PH
Canfield
Mark A
MA
Mitchell
Laura E
LE