[Present situation of gram-negative bacillus infections in pediatrics].
D002648:Child; D004926:Escherichia coli / Q000302:isolation & purification; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000382:microbiology*; D007711:Klebsiella pneumoniae / Q000302:isolation & purification; D011014:Pneumonia / Q000382:microbiology*; D011549:Pseudomonas / Q000302:isolation & purification; D018805:Sepsis / Q000382:microbiology*