Review [Optimization of use of levodopa in Parkinson's disease: role of levodopa-carbidopa-entacapone combination].
Castro A, Valldeoriola F, Linazasoro G, Rodriguez-Oroz MC, Stochi F, Marin C, Rodriguez M, Vaamonde J, Jenner P, Alvarez L, et al. Neurologia. 2005 May; 20(4):180-8.