Корь: W. A. Orenstein and A. R. Hinman, The Immunization System in the United States – The Role of School Immunization Laws, Vaccine 17 (1999): S19–S24.
448
Случаи кори в США в начале семидесятых годов ХХ века: Colgrove, State of Immunity, 166–167.
449
Фонд Джозефа П. Кеннеди: Ibid.,175–176.
450
Корь и энцефалит: Centers for Disease Control and Prevention, Update: Measles – United States, January – July 2008, Morbidity and Mortality Weekly Report 57 (2008): 893–896.
