title: Foreword: Environmental chemical exposures and autism spectrum disorders: a review of the epidemiological evidence.
authors.forename: Ruth Ann
authors.initials: RA
authors.lastname: Etzel
mesh_terms: D002659:Child Development Disorders, Pervasive / Q000191:economics / Q000453:epidemiology / Q000517:prevention & control; D002675:Child, Preschool; D004781:Environmental Exposure / Q000009:adverse effects; D005492:Folic Acid / Q000008:administration & dosage; D006801:Humans; D007223:Infant; D012196:Review Literature as Topic; D014481:United States / Q000453:epidemiology; D014803:Vitamin B Complex / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D014803:Vitamin B Complex; D005492:Folic Acid