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Gallagher, Kellie S., Jon Godwin, Gordon J. Hendry, Martijn Steultjens, and Jim Woodburn. "A Protocol for a Randomised Controlled Trial of Prefabricated Versus Customised Foot Orthoses for People With Rheumatoid Arthritis: The FOCOS RA Trial [Foot Orthoses – Customised V Off-the-Shelf in Rheumatoid Arthritis]." J Foot Ankle Res 2018.

Gallagher, Kellie S., et al. "A Protocol for a Randomised Controlled Trial of Prefabricated Versus Customised Foot Orthoses for People With Rheumatoid Arthritis: The FOCOS RA Trial [Foot Orthoses – Customised V Off-the-Shelf in Rheumatoid Arthritis]." J Foot Ankle Res 2018.