Calvisi, V., Lupparelli, S., De Vincentiis, B., & Zanoli, G. (2008). Comorbidity‐related quality of life in anterior cruciate ligament insufficiency: A cross‐sectional study involving 282 candidates for arthroscopic reconstruction. Acta Orthopaedica, 79(4), 519–525. https://doi.org/10.1080/17453670710015526