1. Pneumococcal conjugated vaccine for childhood immunization—WHO position paper;World Health Organization;Wkly Epidemiol Rec,2007
2. Pneumococcal vaccines: an update on current strategies;Bogaert;Vaccine,2004
3. Pneumococcal meningitis: report of a case treated with sulfapyridine;Kal;Chin Med J,1942
4. Pneumococcal meningitis report of a case;Dih;Chin Med J,1942
5. Pneumococcal meningitis (summary of 29 cases);Fan;Chin J Pediatr,1952