Revisiting pneumococcal carriage by use of broth enrichment and PCR techniques for enhanced detection of carriage and serotypes

Maria Da Gloria Carvalho, Fabiana C. Pimenta, Delois Jackson, Alexis Roundtree, Yusra Ahmad, Eugene V. Millar, Katherine L. O'Brien, Cynthia G. Whitney, Adam L. Cohen, Bernard W. Beall