title: Importance of research design in cost analysis.
authors.forename: S L
authors.initials: SL
authors.lastname: Du Pen
authors.forename: R B
authors.initials: RB
authors.lastname: Patt
authors.forename: M B
authors.initials: MB
authors.lastname: Hahn
mesh_terms: D000328:Adult; D000368:Aged; D015360:Analgesia, Epidural / Q000191:economics* / Q000295:instrumentation*; D003362:Cost-Benefit Analysis; D005260:Female; D006801:Humans; D015918:Infusion Pumps, Implantable / Q000145:classification / Q000191:economics*; D008297:Male; D008875:Middle Aged; D009294:Narcotics / Q000008:administration & dosage* / Q000191:economics*; D012107:Research Design; D013727:Terminal Care / Q000191:economics*; D014481:United States
chemical_list: D009294:Narcotics