1. Distribution of Physicians in the U.S., 1973,1974
2. The Production of Health, An Exploratory Study;Auster,1972
3. Persistence of health habits and their relationship to mortality;Breslow;Prev. Med.,1980
4. Methods of Assessing Air Pollution Control Benefits. I. Experiments in the Economics of Air Pollution Epidemiology;Crocker;U.S. EPA 600/5-79-001a,1979