The following publications are possibly variants of this publication:
- A Gravity balancing Leg Orthosis for Robotic RehabilitationSai K. Banala, Sunil Kumar Agrawal, Abbas Fattah, Katherine Rudolph, John P. Scholz. icra 2004: 2474-2479 [doi]
- Gravity-Balancing Leg Orthosis and Its Performance EvaluationSai K. Banala, Sunil Kumar Agrawal, Abbas Fattah, Vijaya Krishnamoorthy, Wei-Li Hsu, John P. Scholz, Katherine Rudolph. trob, 22(6):1228-1239, 2006. [doi]
- A Gravity Balancing Passive Exoskeleton for the Human LegSunil Kumar Agrawal, Sai K. Banala, Abbas Fattah. rss 2007: [doi]