Buying machines.
Plummer
P M
PM
D002201:Capital Expenditures / Q000639:trends*; D003284:Contract Services / Q000639:trends; D003659:Decision Making, Organizational; D017754:Group Purchasing / Q000639:trends*; D017008:Negotiating; D013673:Technology Assessment, Biomedical / Q000191:economics / Q000458:organization & administration*; D014481:United States