@inbook{inbook4c349574, title = {Reaching for independence: challenges for a new concept of wheelchair design}, author = {Medola, Fausto Orsi and Fortulan, Carlos Alberto and Santana, Carla da Silva and Elui, Valeria Meirelles Carril}, year = {2012}, doi = {10.5772/33961}, publisher = {InTech}, journal = {Physical therapy perspectives in the 21st century : challenges and possibilities} }