title: Arterial switch to 12 o'clock associated with reduced coronary reserve in adolescence.
mesh_terms: D000293:Adolescent; D000069278:Arterial Switch Operation / Q000009:adverse effects / Q000379:methods*; D003331:Coronary Vessels / Q000601:surgery; D006801:Humans; D011183:Postoperative Complications / Q000209:etiology*; D014188:Transposition of Great Vessels / Q000601:surgery*