Martinez-Ferro, Marcelo (January 2010). "New approaches to pectus and other minimally invasive surgery in Argentina". Journal of Pediatric Surgery. 45 (1): 19–26, discussion 26–27. doi:10.1016/j.jpedsurg.2009.10.003. ISSN1531-5037. PMID20105575.
Martínez Ferro, M.; Fraire, C.; Rubio, M.; Tamburri, N. (April 2005). "[Minimally invasive approach of Nuss for the correction of pectus excavatum]". Cirugia Pediatrica: Organo Oficial de la Sociedad Espanola de Cirugia Pediatrica. 18 (2): 65–69. ISSN0214-1221. PMID16044641.
Martinez-Ferro, Marcelo (January 2010). "New approaches to pectus and other minimally invasive surgery in Argentina". Journal of Pediatric Surgery. 45 (1): 19–26, discussion 26–27. doi:10.1016/j.jpedsurg.2009.10.003. ISSN1531-5037. PMID20105575.
Martínez Ferro, M.; Fraire, C.; Rubio, M.; Tamburri, N. (April 2005). "[Minimally invasive approach of Nuss for the correction of pectus excavatum]". Cirugia Pediatrica: Organo Oficial de la Sociedad Espanola de Cirugia Pediatrica. 18 (2): 65–69. ISSN0214-1221. PMID16044641.
Martinez-Ferro, Marcelo (January 2010). "New approaches to pectus and other minimally invasive surgery in Argentina". Journal of Pediatric Surgery. 45 (1): 19–26, discussion 26–27. doi:10.1016/j.jpedsurg.2009.10.003. ISSN1531-5037. PMID20105575.