Plymale Margaret A, Donnelly Michael B, Lawton Jeffrey, Pulito Andrew R, Mentzer Robert M
Department of Surgery, Education Office, University of Kentucky College of Medicine, Lexington, KY 40536, USA.
Acad Med. 2002 Oct;77(10 Suppl):S45-7. doi: 10.1097/00001888-200210001-00015.