[BACTERIOLOGICAL PROBLEMS OF CHRONIC BRONCHITIS].
D000397:Air Pollution; D001982:Bronchial Diseases; D001991:Bronchitis; D029481:Bronchitis, Chronic; D006193:Haemophilus influenzae; D006801:Humans; D012141:Respiratory Tract Infections; D013296:Streptococcus pneumoniae
AIR POLLUTION; BRONCHIAL DISEASES; BRONCHITIS; DIPLOCOCCUS PNEUMONIAE; HAEMOPHILUS INFLUENZAE; RESPIRATORY TRACT INFECTIONS
PROBL'EMES BACT'ERIOLOGIQUES DE LA BRONCHITE CHRONIQUE.