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JAMA|August 15, 1977
Haemophilus influenzae type b disease. Incidence in a day-care centerC M Ginsburg, G H McCracken, S Rae, et al.
JAMA|March 13, 1987
Vaccine-associated paralytic poliomyelitis. United States: 1973 through 1984B M Nkowane, S G Wassilak, W A Orenstein, et al.
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