Authors: Mark G A Opler; Stephen L Buka; Justina Groeger; Ian McKeague; Catherine Wei; Pam Factor-Litvak; Michaeline Bresnahan; Joseph Graziano; Jill M Goldstein; Larry J Seidman; Alan S Brown; Ezra S Susser Journal: Environ Health Perspect Date: 2008-07-30 Impact factor: 9.031