2Jae-Hoon Song, Nam Yong Lee, Satoshi Ichiyama, et al. Spread of drug-resistant Streptococcus pneumoniae in Asian countries: Asian network for surveillance of resistant pathogens (ANSORP) study.Clin Infect Dis, 1999,28: 1206-1211.
3Scott J. A. G, Hall A. J, Dagan R, et al. Serogroup-specific epidemiology of streptococcus pneumoniae: Associations with age,sex and geography in 7000 episodes of invasive disease. Clin Infect Dis,1996,22 : 973-981.
4Wang H, Huebner R, Chen M J, et al. Antibiotic susceptibilly patterns of Streptococcus pneumoniae in China and comparison of MICs by agar dilution and E-test methods. Antimicrob Agents Chemother, 1998,42 : 2633-2636.
2World Health Organization. Pneumococcal conjugate vaccine for childhood immunization--WHO position paper [J]. Wkly Epidemiol Rec, 2007, 82 (12): 93-104.
3Lynch JP, Zhanel GG. Streptococcus pneumoniae: epidemiology and risk factors, evolution ofantimicrobial resistance, and impact of vaccines[J]. Curr Opin Pulm Med, 2010, 16 (3) : 217-225.
5van derPollT, Opal SM. Pathogenesis, treatment, and prevention of pneumoeoccal pneumonia [J]. Lancet, 2009, 374 (9700) : 1543-1556.
6Banstola A, Banstola A. The epidemialogy of hospitalization for pneumonia in children under five in the rural western region of Nepal: a descriptivestudy[J]. PLoSOne, 2013, 8 (8): e71311.
7Banstola A, Banstola A. The epidcmiology of hospitalization for pneumonia in children under five in the rural western region of Ne- pal: a descriptive study [J]. PLoS One, 2013, 8 (8) : e71311. DOI : I0. 1371/journal. pone. 0071311.