TY - JOUR AU - Liu, Z; Feng, H; Yeung, S C TI - Extended transsternal thymectomy for the treatment of ocular myasthenia gravis JO - Ann Thorac Surg IS - 06 VL - 92 PY - 2011 DO - 10.1016/j.athoracsur.2011.08.001 L3 - PubMed-ID: 22115207 SP - 1993 EP - 1999 ER -