Study documents savings from e-commerce.
D003132:Commerce / Q000379:methods*; D003363:Cost Control; D017754:Group Purchasing / Q000458:organization & administration; D006801:Humans; D020407:Internet; D008421:Materials Management, Hospital / Q000191:economics* / Q000458:organization & administration; D009096:Multi-Institutional Systems / Q000191:economics / Q000458:organization & administration; D014481:United States