@incollection{Valldeoriola11, author = {Francesc Valldeoriola}, title = {Cost and Efficacy of Therapies for Advanced Parkinson's Disease}, booktitle = {Towards New Therapies for Parkinson's Disease}, publisher = {IntechOpen}, address = {Rijeka}, year = {2011}, editor = {David I. Finkelstein}, chapter = {2}, doi = {10.5772/17862}, url = {https://doi.org/10.5772/17862} }