The following publications are possibly variants of this publication:
- Gravity Balancing of a Human Leg using an External OrthosisAbbas Fattah, Sunil Kumar Agrawal. icra 2007: 3755-3760 [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 Powered Leg Orthosis for Gait Rehabilitation of Motor-Impaired PatientsSai K. Banala, Alexander Kulpe, Sunil Kumar Agrawal. icra 2007: 4140-4145 [doi]
- A Gravity Balancing Passive Exoskeleton for the Human LegSunil Kumar Agrawal, Sai K. Banala, Abbas Fattah. rss 2007: [doi]
- Gravity-balancing of Classes of Industrial RobotsAbbas Fattah, Sunil Kumar Agrawal. icra 2006: 2872-2877