Quality of recovery after total hip and knee arthroplasty in South Africa: a national prospective observational cohort study oleh Ulla Plenge, Romy Parker, Shamiela Davids, Gareth L. Davies, Zahnne Fullerton, Lindsay Gray, Penelope Groenewald, Refqah Isaacs, Ntambue Kauta, Frederik M. Louw, Andile Mazibuko, David M. North, Marc Nortje, Glen M. Nunes, Neo Pebane, Chantal Rajah, John Roos, Paul Ryan, Winlecia V. September, Heidi Shanahan, Ruth E. Siebritz, Rian W. Smit, Simon Sombili, Alexandra Torborg, Johan F. van der Merwe, Nico van der Westhuizen, Bruce Biccard