National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine adult male aged middle aged 80 and over Retrospective Studies anti-bacterial agents / therapeutic use drug resistance bacteremia / mortality microbial cross infection / microbiology gentamicins / pharmacology* bacterial / etiology catheterization pressure ulcer / complications cross infection / mortality bacteremia / microbiology* endocarditis gram-positive bacterial infections / mortality bacteremia / etiology cross infection / etiology gram-positive bacterial infections / etiology pmid:1955722 doi:10.1093/infdis/164.6.1212 g a noskin m till j r warren peripheral diabetes complications enterococcus faecalis / drug effects* gram-positive bacterial infections / microbiology* urinary catheterization