Purchasings' impact on cash flow.
D000066:Accounting; D000067:Accounts Payable and Receivable; D007182:Income; D007445:Inventories, Hospital / Q000191:economics*; D008331:Management Information Systems; D008421:Materials Management, Hospital / Q000191:economics*; D011682:Purchasing, Hospital / Q000191:economics*; D014481:United States