Мітько [Elena Mitko] О. В., Авраменко [Ol’ga Avramenko] О. М., and Дугіна [Liana Dugina] Л. В. “Physical Rehabilitation at Parkinson’s”. Slobozhanskyi Herald of Science and Sport, no. 5(38), Dec. 2013, pp. 165-9, https://journals.uran.ua/index.php/1991-0177/article/view/19116.