TY - CHAP A1 - Scharhag, Jürgen A1 - Hotzkow, Kristin A1 - Kopinski, Stephan A1 - Barche, Martin A1 - Mayer, Frank T1 - Echocardiographic 3d speckle tracking values on cardiac wall motion in elite adult, adolescent and pediatric athletes T2 - Medicine and science in sports and exercise : official journal of the American College of Sports Medicine Y1 - 2012 SN - 0195-9131 VL - 44 SP - 241 EP - 241 PB - Lippincott Williams & Wilkins CY - Philadelphia ER -