Chandolias, K., E. Zarra, A. Chalkia, and A. Hristara. “The Effect of Hydrotherapy According to Halliwick Concept on Children With Cerebral Palsy and the Evaluation of Their Balance: A Randomised Clinical Trial”. International Journal of Clinical Trials, vol. 9, no. 4, Oct. 2022, pp. 234-42, doi:10.18203/2349-3259.ijct20222656.