Яркин: Интервью автора с Селиной Яркин, 10 февраля 2010 г.
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Флинт: E. Carlyle, Rare Hib Disease Increases in Minnesota: Is the Anti-Vaccine Movement to Blame? City Pages: The News and Arts Weekly of the Twin Cities, June 3, 2009; L. Szabo, Missed Vaccines Weaken ‘Herd Immunity’ in Children, USA Today, January 6, 2010.
