共 3 条
[1]
[2]
慢性阻塞性肺疾病诊治指南.[J]..中华结核和呼吸杂志.2002, 08
[3]
Immunization of elderly people with polyvalent pneumococcal vaccine.[J].D. Fedson;J. Henrichsen;P. H. M?kel?;R. Austrian.Infection.1989, 6

