RT Journal Article SR Electronic T1 GSTP1 polymorphism modifies risk for incident asthma associated with nitrogen dioxide in a high-risk birth cohort JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 308 OP 308 DO 10.1136/oem.2010.063560 VO 68 IS 4 A1 Chris Carlsten A1 Anne Dybuncio A1 Allan Becker A1 Moira Chan-Yeung A1 Michael Brauer YR 2011 UL http://oem.bmj.com/content/68/4/308.abstract AB