2[2]Xiao-ping J,Ting-ze H,Wen-ying L,et al.Pulmonary Function for Pectus Excavatum at Long-Tern Follow-up[J].J Pediatr Surg,1999,34:1787-1794.
3[3]Einsiedel E,Clausner A.Funnel chest:psychological and psychosomatic in children,youngsters,and young adults[J].J Cardiovasc Surg(Torino),1999,40(5):733-736.