1. Patient credit checks help hospitals minimize bad debt;Eubanks;Hospitals,1989
2. Brigham and Women's Hospital: Annual Report & Balance Sheets, Brigham and Women's Hospital, Boston, MA.
3. Beth Israel Hospital: Statement of Revenue and Expenses, Annual Report,, Beth Israël Hospital, Boston, MA.
4. Massachussets General Hospital: Audited Financial Statements, MGH, Boston, MA.
5. Who profits from nonprofits?;Herzlinger;Harvard Business Review,1987