(Q53861525)
Statements
Comparison of incidence of invasive Streptococcus pneumoniae disease among children before and after introduction of conjugated pneumococcal vaccine. (English)
Richard I Haddy
Kelvin Perry
Chris E Chacko
William B Helton
Mark G Bowling
Stephen W Looney
George E Buck
1 April 2005
24
4
320-323