477

Исследование Фейкина: D. R. Feikin, D. C. Lezotte, R. F. Hamman, et al., Individual and Community Risks of Measles and Pertussis Associated with Personal Exemptions to Immunization, Journal of the American Medical Association 284 (2000): 3145–3150.

Назад: 476

Дальше: 478