title: The aerobic gram-negative bacillary pneumonias.
mesh_terms: D000151:Acinetobacter Infections / Q000175:diagnosis; D004756:Enterobacteriaceae Infections / Q000175:diagnosis; D004927:Escherichia coli Infections / Q000175:diagnosis; D006192:Haemophilus Infections / Q000175:diagnosis; D006801:Humans; D007710:Klebsiella Infections / Q000175:diagnosis; D011014:Pneumonia / Q000175:diagnosis / Q000209:etiology*; D011512:Proteus Infections / Q000175:diagnosis; D011552:Pseudomonas Infections / Q000175:diagnosis; D012706:Serratia marcescens