References
- Sprafka S, Ward R, Neff D. What characterizes an osteopathic principle? Selected responses to an open question. Project on Osteopathic Principles Education, Michigan State University, East Lansing, Aug 1980 (unpublished), pp 7–8
- Report of the Task Force on Graduate Osteopathic Medical Education. (Frank J. McDevitt, DO, chairman.) Chicago: American Osteopathic Association, 1980
- Graduate Medical Education National Advisory Committee Final Report to the Secretary. US Dept of Health and Human Services, 1980