National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine treatment outcome research support non-u.s. gov't adult female male adolescent aged middle aged 80 and over Clinical Trial Randomized Controlled Trial drug therapy combination fever / drug therapy* gentamicins / administration & dosage anti-bacterial agents / pharmacology* neutropenia / drug therapy* anti-bacterial agents / administration & dosage fever / etiology neutropenia / etiology penicillins / pharmacology* enzyme inhibitors / administration & dosage pmid:12690546 doi:10.1007/s00520-003-0463-7 m gorschlüter c hahn a glasmacher anti-bacterial agents / economics ceftriaxone / administration & dosage ceftriaxone / economics ceftriaxone / pharmacology* cost-benefit analysis enzyme inhibitors / economics enzyme inhibitors / pharmacology* gentamicins / economics gentamicins / pharmacology* hematologic neoplasms / complications penicillanic acid / administration & dosage penicillanic acid / analogs & derivatives* penicillanic acid / economics penicillanic acid / pharmacology* penicillins / administration & dosage penicillins / economics piperacillin / administration & dosage piperacillin / economics piperacillin / pharmacology* tazobactam