E. Kerckhofs, J. Jankovic, W. G. Reid, M. A. Adena, G. M. Halliday et al., Parkinson's disease: Clinical features and diagnosis The Sydney multicenter study of Parkinson's disease: The inevitability of dementia at 20 years, Giladi, N. Understanding and treating freezing of gait in Parkinsonism, proposed working definition, and setting the stage, pp.356-368, 2008.

S. Rahman, H. J. Griffin, N. P. Quinn, and M. Jahanshahi, The Factors that Induce or Overcome Freezing of Gait in Parkinson???s Disease, Behavioural Neurology, vol.19, issue.3, pp.127-136, 2008.
DOI : 10.1155/2008/456298

R. Velik, U. Hoffmann, H. Zabaleta, J. F. Marti-masso, T. Keller et al., The effect of visual cues on the number and duration of freezing episodes in Parkinson's patients, 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pp.4656-4659, 2012.
DOI : 10.1109/EMBC.2012.6347005

A. Coste, C. Mann, G. Popovi?, M. B. Mann, G. E. Finn et al., The impact of functional electrical stimulation (FES) on freezing of gait (FOG) in patients with Parkinson's disease A pilot study to investigate the feasibility of electrical stimulation to assist gait in Parkinson's disease, Clin. Neurophysiol. Neuromodulation, vol.124, issue.11, pp.143-149, 2008.

H. G. Macdougall, J. M. Shine, S. L. Naismith, and S. J. Lewis, Autonomous identification of freezing of gait in Parkinson's disease from lower-body segmental accelerometry, J

M. Pasquier, B. Espiau, C. Geny, A. M. Laudanski, S. Yang et al., Detection of Freezing of Gait in Parkinson Disease: Preliminary Results A concurrent comparison of inertia sensor-based walking speed estimation methods, Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pp.6819-6827, 2011.

H. S. Cohen, W. G. Ondo, S. T. Moore, H. G. Macdougall, and W. G. Ondo, Long-term monitoring of gait in Parkinson's disease. Gait Posture Ambulatory monitoring of freezing of gait in Parkinson's disease, J. Neurosci. Methods, vol.2615, issue.167, pp.200-207, 2007.