National Center for Biotechnology Information NCBI NLM MEDLINE Health Care humans pubmed abstract nih national institutes of health national library of medicine treatment outcome female male middle aged Clinical Trial Randomized Controlled Trial anti-bacterial agents / therapeutic use length of stay community-acquired infections / microbiology pneumonia pneumococcal / microbiology bacterial / diagnosis bacterial / drug therapy cost-benefit analysis community-acquired infections / diagnosis bacterial / microbiology streptococcus pneumoniae / isolation & purification pneumococcal / diagnosis patient satisfaction mycoplasma pneumoniae / isolation & purification new zealand outcome and process assessment pneumococcal / drug therapy pmid:16138795 doi:10.5694/j.1326-5377.2005.tb07026.x dee a richards les j toop paul d abernethy community-acquired infections / nursing home care services* / economics bacterial / nursing* mycoplasma / diagnosis mycoplasma / drug therapy mycoplasma / microbiology mycoplasma / nursing pneumococcal / nursing