Ruaro, B., M. Cutolo, E. Alessandri, F. Zaottini, R. Picasso, F. Pistoia, G. Ferrari, and C. Martinoli. “Don’t Forget the Jumper’s Knee in the Young Sportsman: Evaluation of Patellar Tendinopathy With a High Frequency Ultrasound Probe”. Reumatismo 71, no. 3 (October 24, 2019): 160-162. Accessed December 6, 2019. https://reumatismo.org/index.php/reuma/article/view/1231.