Líndal, E, P Hartharson, J Magnússon, and H. Alfrethsson. “A 5-Year Psycho-Medical Follow-up Study of Coronary by-Pass Artery Graft Patients”. Journal of Rehabilitation Medicine 28, no. 1 (March 1, 1996): 27–31. Accessed February 15, 2025. https://medicaljournalssweden.se/jrm/article/view/41833.