by Irfan, Furqan B., M.B.B.S, Irfan, Bismah B., M.D, Spiegel, David A., M.D
Published in The Journal of surgical research (01.07.2012)

by Conrozier, T., M.D, Ferrand, F., M.D, Poole, A.R., M.D., Ph.D, Verret, C., M.D, Mathieu, P., M.D, Ionescu, M., Ph.D, Vincent, F., M.D, Piperno, M., M.D, Spiegel, A., M.D, Vignon, E., M.D
Published in Osteoarthritis and cartilage (01.04.2007)

by David A. Spiegel, M.D., Chairman, Dept. of Psychiatry and Behavioral Medicine, University of Illinois College of Medicine
Published in Chicago tribune (1963) (22.10.1991)