# Design and fabrication of a passive upper limb rehabilitation robot with adjustable automatic balance based on variable mass of end-effector

> Research article (Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2020) · cited 12× · AI/ML

**Wikidata**: [openalex:W3105075292](https://www.wikidata.org/wiki/openalex:W3105075292)  
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