TY - CONF A1 - Cassel, Michael A1 - Carlsohn, Anja A1 - Froehlich, Katja A1 - Mayer, Frank T1 - Achilles tendinopathy in adolescent athletes using ultrasound and clinical examination T2 - Medicine and science in sports and exercise : official journal of the American College of Sports Medicine Y1 - 2013 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/35025 SN - 0195-9131 SN - 1530-0315 VL - 45 IS - 5 SP - 350 EP - 350 PB - Lippincott Williams & Wilkins CY - Philadelphia ER -