6.
Laffont I., Guillon B., Fermanian C., Pouillot S., Even-Schneider A., Boyer F., Ruquet M., Aegerter P., Dizien O., Lofaso F., (2008), Evaluation of a Stair-Climbing Power Wheelchair in 25 People with Tetraplegia, Arch Phys Med Rehabil, 89, 1958-1964.