Pohl Charles A, Robeson Mary R, Hojat Mohammadreza, Veloski J Jon
Jefferson Medical College of Thomas Jefferson University, 1020 Locust Street, Philadelphia, PA 19107-6799, USA.
Acad Med. 2002 Oct;77(10 Suppl):S17-9. doi: 10.1097/00001888-200210001-00006.