Pneumonias caused by gram negative bacilli.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004755:Enterobacteriaceae / Q000472:pathogenicity*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000209:etiology*; D011552:Pseudomonas Infections