Dr. McGoon in his book on Parkinson's says he takes the Carbidopa and then the Levodopa rather than taking them together in Sinemet. Dr. McGoon is far better known and respected for his extensive book on cardiology. WILL JOHNSTON 4049 OAKLAND SCHOOL ROAD SALISBURY, MD 21804-2716 410-543-0110 Pres A.P.D.A. DelMarVa Chapter