Bloch, A.; Kordowska, M.; Frankiewicz, E.; Kałużny, K.; Kałużna, A.; Hagner-Derengowska, M.; Zukow, W. Comparison of Local Cryotherapy and Sonotherapy Effectiveness in the Treatment of Gonarthrosis Symptoms. J Educ Health Sport 2018, 8, 653-664.