Usual care for low back pain and barriers to best practice: A cross-sectional study in Danish general practice. - Arnbak BA; Jensen TS; Lund RA; Hartvigsen J; Søndergaard J; Thomsen JL; Andersen JS; Møller A; Nørgaard B; Rossen CB; Kongsted A (Musculoskeletal care, 2024)