title: Percussion and gram-negative bacteremia.
mesh_terms: D000368:Aged; D004926:Escherichia coli / Q000302:isolation & purification*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010474:Percussion / Q000009:adverse effects*; D011704:Pyelonephritis / Q000150:complications* / Q000382:microbiology; D018805:Sepsis / Q000209:etiology*