Pneumococcal typing and the problem of endogenous or exogenous reinfection in chronic bronchitis

MeSH terms

• Ampicillin / therapeutic use
• Bronchitis / drug therapy
• Bronchitis / microbiology*
• Chloramphenicol / therapeutic use
• Chronic Disease
• Haemophilus influenzae / isolation & purification
• Humans
• Pneumococcal Infections / microbiology*
• Serotyping
• Sputum / microbiology
• Streptococcus / isolation & purification
• Streptococcus pneumoniae / classification
• Sulfonamides / therapeutic use
• Tetracycline / therapeutic use