TY - RPRT TI - Extending levodopa action: COMT inhibition. AU - P Martínez-Martín AU - C F O'Brien PY - 1998 DO - 10.1212/wnl.50.6_suppl_6.s27 UR - https://pubmed.ncbi.nlm.nih.gov/9633684/ ID - 9633684 ER -