(Q64131920)
Statements
Pertussis vaccine effectiveness among children 6 to 59 months of age in the United States, 1998-2001 (English)
Kristine M Bisgard
Philip Rhodes
Beverly L Connelly
Daoling Bi
Christine Hahn
Sarah Patrick
Mary P Glodé
Kristen R Ehresmann
Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA. kbisgard@cdc.gov