Heather E Volk
Affiliation: University of Southern California
- Simple identification of complex ADHD subtypes using current symptom countsHeather E Volk
Department of Preventive Medicine, Division of Biostatistics, Keck School of Medicine, University of Southern California, Santa Monica, CA 90089, USA
J Am Acad Child Adolesc Psychiatry 48:441-50. 2009..Here, we assess the accuracy of simple rules based on symptom counts for the assignment of youths to clinically relevant population-derived ADHD subtypes: severe inattentive (SI) and severe combined (SC)...
- Traffic-related air pollution, particulate matter, and autismHeather E Volk
Department of Preventive Medicine, Keck School of Medicine, Zilkha Neurogenetic Institute, Children s Hospital Los Angeles, University of Southern California, Los Angeles, CA 90089, USA
JAMA Psychiatry 70:71-7. 2013..Examination of hazardous pollutants has suggested the importance of air toxics in the etiology of autism, yet little research has examined its association with local levels of air pollution using residence-specific exposure assignments...
- Residential proximity to freeways and autism in the CHARGE studyHeather E Volk
Department of Preventive Medicine, Zilkha Neurogenetic Institute, Keck School of Medicine, Children s Hospital Los Angeles, University of Southern California, Los Angeles, California 90033, USA
Environ Health Perspect 119:873-7. 2011..Traffic-related air pollution, a common exposure with established effects on these pathways, contains substances found to have adverse prenatal effects...