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Lee, Brian K.; Gardner, Renee M.; Dal, Henrik; Svensson, Anna; Galanti, Maria Rosaria; Rai, Dheeraj; Dalman, Christina; Magnusson, Cecilia – Journal of Autism and Developmental Disorders, 2012
Prenatal exposure to tobacco smoke is suggested as a potential risk factor for autism spectrum disorders (ASD). Previous epidemiological studies of this topic have yielded mixed findings. We performed a case-control study of 3,958 ASD cases and 38,983 controls nested in a large register-based cohort in Sweden. ASD case status was measured using a…
Descriptors: Smoking, Autism, Pregnancy, Risk
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Eriksson, Mats Anders; Westerlund, Joakim; Anderlid, Britt Marie; Gillberg, Christopher; Fernell, Elisabeth – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
Prenatal risk factors, with special focus on gender distribution of neurodevelopmental and psychiatric conditions were analysed in first-degree relatives in a population-based group of young children with autism spectrum disorders (ASD). Multiple information sources were combined. This group was contrasted with the general population regarding…
Descriptors: Mothers, Autism, Young Children, Risk