Population-based incidence of pertussis among adolescents and adults, Minnesota, 1995-1996.
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J. A. Hunt | K. Edwards | J. Besser | W. Wattigney | P. Strebel | J. Nordin | A. Baughman | Gerald H. Amundson | K. Edwards | G. Amundson | S. Burns | J. Hunt | Gerald Amundson | K. Edwards