Frydman Moshe, Rotter Jerome I, Kazimiroff Paul, Phelps Dale L
Harbor–UCLA Medical Center, Torrance, CA 90509
University of California–Los Angeles Center for Health Sciences, Los Angeles, CA 90024
N Engl J Med. 1981 Jul 9;305(2):108-9. doi: 10.1056/NEJM198107093050220.