title: Developing cost-effective presurgical preparation: a comparative analysis.
mesh_terms: D002648:Child; D002673:Child, Hospitalized / Q000523:psychology*; D002675:Child, Preschool; D003362:Cost-Benefit Analysis; D006801:Humans; D007100:Imitative Behavior; D010353:Patient Education as Topic / Q000191:economics* / Q000379:methods; D013514:Surgical Procedures, Operative / Q000523:psychology*