New England Journal of Medicine
September 14, 2017  Vol. 377 No. 11
http://www.nejm.org/toc/nejm/medical-journal

Correspondence
Vaccination Rates among Younger Siblings of Children with Autism
N Engl J Med 2017; 377:1099-1101 September 14, 2017 DOI: 10.1056/NEJMc1708223