The role of complementary and alternative medicine. Comments: 0 | August 16th, 2011Ernst, E. (November 4, 2000). The role of complementary and alternative medicine. British Medical Journal, 321, 1133-5.Click here to go to research article. Written By: STEVEN F. HOTZE, M.D.Steven F. Hotze, M.D., is the founder and CEO of the Hotze Health & Wellness Center, Hotze Vitamins and Physicians Preference Pharmacy International, LLC.