1. Hematology-Oncology Service, The University of Tennessee Memorial Research Center and Hospital, Knoxville, Tenn. 37920.
2. The University of Tennessee Memorial Research Center and Hospital, Knoxville, Tenn. 37920; Chief Physician, Department of Medicine "D," Beilinson Hospital, Petach-Tikva; and Lecturer in Medicine, University of Tel Aviv School of Medicine, Tel Aviv, Israel.
3. The University of Tennessee Memorial Research Center, Knoxville, Tenn. 37920.