Abstract Mutations in the Cockayne Syndrome group B (CSB) gene cause cancer in mice. but premature aging and severe neurodevelopmental defects in humans. CSB. a member of the SWI/SNF family of chromatin remodelers. https://www.roneverhart.com/Medline-Wheelchair-Arm-Trays-TRAY-ARM-WHEELCHAIR-ADJUSTABLE-LEFT-MDSR009636/