By Chapman, J. B., M.D., Perry, Edward L.
By David Garrison, M.D.
By George Lewis, M.D.
By Anthony Walker (Msc PhD Frics Fhkis McIob Emeritus Professor University of Hong Kong), Dr John G Gunderson, M.D., MD (McLean Hospital)
By Dr Brian L. Weiss, M.D.
By M Scott Peck, M.D.
By Eric Berne, M.D.
By Dharma Singh Khalsa, M.D., Cameron Stauth
By Deepak Chopra, M.D., Martin Greenberg
By Deepak Chopra, M.D.
By David D Burns, M.D.
By Keith Simpson, M.D.
By Leonard Smith, M.D.
By Shay, Jonathan, M.D.
By Julian, D G, Desmond G., Cowan, J. Campbell, McLenachan, James M., M.D., Desmond G. Julian
By Joel Fort, M.D.
By Gouldner, M.D.
By Nelson, Miriam E., Baker, Kristin R., Ph.D., Roubenoff, Ronenn, M.D., Linder, Laurence
By Young, Thomas E., M.D., Mangum, Barry
By Nyhan, William L., Ozand, Pinar T., M.D.
By Shipman, M.D.
By R.E. Dudgeon, M.D.
By Chizner, Michael A., M.D.
By Weisman, Leonard E., M.D., Groothuis, Jessie R.
By A. Shambrook, I.R. Appadurai, M.D. Vickers, Shambrook, A., Appadurai, I.R., Vickers, M.D.
By Dr. Natasha Campbell-McBride, M.D.
By Rutan, J. Scott, Stone, Walter N., M.D.