This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from GeneralBooksClub.com. You can also preview excerpts from the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Published by: National Academies in 1974 in 108 pages; Original Identifier: NAP:13633; Subjects: Health maintenance organizations; Medical / Health Care Delivery; Medical / Health Risk Assessment; Medical / Practice Management & Reimbursement;