Efficacy of Heptavalent Conjugate Pneumococcal Vaccine (Wyeth Lederle) in 7,000 Infants and Children: Results of the Northern California Kaiser Permanente Efficacy Trial
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E. Lewis | S. Black | G. Siber | B. Fireman | H. Shinefield | I. Chang | R. Kohberger | P. Ray | R. Austrian | J. Hackell