Article Information
PubMed
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History
- Published online January 1, 1991.
Copyright & Usage
© Copyright 1991 by the American Board of Family Practice
Author Information
- Douglas R. Smucker, M.D.,
- Harry E. Mayhew, M.D.,
- Daniel J. Nordlund, Ph.D.,
- William K. Hahn Jr. and
- Katherine E. Palmer