Wheelchair Parts: Rear Anti-Tip Devices and Tipping Bar. - YouTube
Medline Wheelchair Rear Anti-Tip Devices | Medline Industries, Inc.
Amazon.com: Rear Wheelchair Anti Tippers with Wheels, Black - Adjustable No Fall Back Device for Wheelchair - Prevent Wheelchairs from Tip Overs While Standing - Pair : Health & Household
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Comparison Between A Tilt-in-Space Wheelchair and a Manual Wheelchair Equipped With a New Rear Anti-Tip Device From the Perspective of the Caregiver - ScienceDirect