1. Costs, risks, and benefits of surgery;Bunker,1977
2. The economic impact of the first 10,000 cases of acquired immune deficiency syndrome in the United States;Hardy;JAMA,1986
3. Work-related hand injuries and upper extremity amputations,1982
4. Factors apparently affecting injury frequency in eleven matched pairs of companies;Simonds;Safety Res,1977
5. Upper extremity disorders. A survey of their frequency and cost in the United States;Kelsey,1980