Volume 78 Number 4, 2000

---

• Editor's Introduction: In This Issue

• Purchasing Cooperatives for Small Employers: Performance and Prospects
  Elliot K. Wicks and Mark A. Hall
  (Featured article -- click here for full text)

• Ethics Review for Sale?: Conflict of Interest and Commercial Research Review Boards
  Trudo Lemmens and Benjamin Freedman

• Employment Outcomes among AFDC Recipients Treated for Substance Abuse in Washington State
  Thomas M. Wickizer, Kevin Campbell, Antoinette Krupski, and Kenneth Stark

• Managing Patient Trust in Managed Care
  Huw T.O. Davies and Thomas G. Rundall

• Notes on Contributors