I. B. Anwar, E. Saputra, R. Ismail, J. Jamari, and E. Van der Heide, “Risk of Impingement on Polyethylene Liner of Total Hip Arthroplasty Prosthesis during Muslim Prayer (Salat) Activity”, Open Access Maced J Med Sci, vol. 8, no. F, pp. 65–69, Jun. 2020.