Logitech MX Vertical review: Not the mouse upgrade you're looking for
Logitech gets into the vertical mouse game with the MX Vertical | Ars Technica
Amazon.com: Logitech MX Vertical Wireless Mouse – Advanced Ergonomic Design Reduces Muscle Strain, Control and Move Content Between 3 Windows and Apple Computers (Bluetooth or USB), Rechargeable, Graphite : Home & Kitchen
Logitech MX Vertical Mouse Review: Comfortable but Pricey
Logitech MX Vertical Review: The Clear Leader for Ergonomic Mice – Review Geek