Simpson, M., and V. Chetty. “The Influence of an Abductor Pollicis Longus Strengthening Programme on Symptoms Experienced by Elderly Females With Osteoarthritis of the 1st Carpo-Metacarpal Joint”. African Journal for Physical Activity and Health Sciences, vol. 22, no. 1:1, Oct. 2016, pp. 118-31, doi:10.4314/ajpherd.v22i1:1.