de Jonge, S., Tol, J. L., Weir, A., Waarsing, J. H., Verhaar, J. A., & de Vos, R. J. (2015). The Tendon Structure Returns to Asymptomatic Values in Nonoperatively Treated Achilles Tendinopathy but Is Not Associated With Symptoms: A Prospective Study. Am J Sports Med, 43(12), 2950-2958. doi:10.1177/0363546515605077