共 50 条
- [4] New strains of bacteria and exacerbations of COPD. NEW ENGLAND JOURNAL OF MEDICINE, 2002, 347 (25): : 2077 - 2078
- [5] New strains of bacteria and exacerbations of COPD. Reply NEW ENGLAND JOURNAL OF MEDICINE, 2002, 347 (25): : 2078 - 2079
- [6] New strains of bacteria and exacerbations of COPD. Editorialist reply NEW ENGLAND JOURNAL OF MEDICINE, 2002, 347 (25): : 2079 - 2079