THE BACTERIAL FLORA OF THE UPPER RESPIRATORY TRACT AND SPUTUM OF WORKING MEN.
D001991:Bronchitis; D002353:Carrier State; D006193:Haemophilus influenzae; D006801:Humans; D008297:Male; D012137:Respiratory System; D012141:Respiratory Tract Infections; D013183:Sputum; D013291:Streptococcus
BRONCHITIS; CARRIER STATE; HAEMOPHILUS INFLUENZAE; RESPIRATORY TRACT INFECTIONS; SPUTUM; STREPTOCOCCUS