Comparison of the Nuss procedure for pectus excavatum by age and uncommon complications. - Ohno,K.; Morotomi,Y.; Ueda,M.; Yamada,H.; Shiokawa,C.; Nakaoka,T.; Tsujimoto,K.; Nakahira,M.; Moriuchi,T.; Harumoto,K.; Yoshida,T. (Osaka City Med J, 2003)