MRI anatomical mapping and direct stereotactic targeting in the subthalamic region: functional and anatomical correspondence in Parkinson's disease. - Jean-Jacques Lemaire; Jérôme Coste; Lemlih Ouchchane; Simone Hemm; Philippe Derost; Miguel Ulla; Séverine Siadoux; Jean Gabrillargues; Franck Durif; Jean Chazal (Int. J. Comput. Assist. Radiol. Surg., 2007)