1. Adkins PC, Groff DB, Blades B. Experiences with metal struts for chest wall stabilization. Ann Thorac Surg. 1968;5:246–54.
2. Backer OG, Brünner S, Larsen V. The surgical treatment of funnel chest: initial and follow-up results. Acta Chir Scand. 1961;121:253–61.
3. Coelho MS, Bathen LCV, Guzzi A, Tozzo A. Pectus excavatum/carinatum resultados do tratamento cirúrgico. Rev Bras Ortop. 1988;23:120–4.
4. Dato GMA, Cavaglià M, Ruffini E, Dato A, Mancuso M, Parola A, Papalia E, Oliaro A. The seagull wing self retaining prosthesis in the surgical treatment of pectus excavatum. J Cardiovasc Surg (Torino). 1999;40:139–46.
5. Derveaux L, Clarysse I, Ivanoff I, Demedts M. Preoperative and postoperative abnormalities in chest X-ray indices and in lung function in pectus deformities. Chest. 1989;95:850–6.