Berg, U.; Dahl, A. W.-.; Rolfson , O.; Nauclér, E.; Sundberg, M.; Nilsdotter, A. Influence of Fast-Track Programs on Patient-Reported Outcomes in Total Hip and Knee Replacement (THR TKR) at Swedish Hospitals 2011–2015: An Observational Study Including 51,169 THR and 8,393 TKR Operations. ActaO 2020, 91, 306–312.