The bacterial flora of the respiratory tract. Some knowns and unknowns.
D001419:Bacteria / Q000302:isolation & purification*; D006193:Haemophilus influenzae / Q000302:isolation & purification; D006801:Humans; D007709:Klebsiella / Q000302:isolation & purification; D011008:Pneumococcal Infections / Q000382:microbiology; D012137:Respiratory System / Q000382:microbiology*; D012140:Respiratory Tract Diseases / Q000382:microbiology*; D013291:Streptococcus / Q000302:isolation & purification