1. Which specialties are most satisfying;Jeffers;Med Econ,1966
2. Annual report on graduate medical education in the United States;JAMA,1975
3. Number, Percent Distribution, and Cumulative Percent of Visits to Office-based Physicians for the 60 Most Frequent Patient Problems: U.S., May 1973-April 1974. National Ambulatory Medical Care Survey: 1973 Summary. US Department of Health, Education, and Welfare, Public Health Service, 1975, p 29.
4. Number and Percent Distribution of Office Visits by Physician Specialties, According to Principal Diagnosis: U.S., May 1973-April 1974. National Ambulatory Medical Care Survey: 1973 Summary. US Department of Health, Education, and Welfare, Public Health Service, 1975, p 29.
5. Teaching science in high school-What is wrong?;Skinner;Science,1968