Surgical Treatment of Proximal Hamstring Avulsion Injuries Compared With Nonsurgical Treatment: A Matched Comparative Study With a Mean Follow-up of >4 Years From the Proximal Hamstring Avulsion Surgery Cohort Study. - Lefèvre N; Moussa MK; El Otmani L; Valentin E; Meyer A; Grimaud O; Bohu Y; Hardy A (The American journal of sports medicine, 2024)