Ratio analysis: use with caution.
D000066:Accounting; D000067:Accounts Payable and Receivable; D005069:Evaluation Studies as Topic; D005376:Financial Management / Q000639:trends*; D005377:Financial Management, Hospital / Q000639:trends*; D007250:Inflation, Economic; D007445:Inventories, Hospital / Q000191:economics; D013223:Statistics as Topic; D013997:Time Factors