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Nuss bar procedure: past, present and future. - Abstract - Europe PMC
Is there any relation between pectus excavatum and being underweight? - Quora
Born with a Hole in your Chest? [What is Pectus Excavatum?] – The J Word
Pectus Excavatum
Pectus excavatum - ScienceDirect
Pectus Excavatum: Symptoms, Treatments, and Complications
Uneven Rib Cage: Causes & Treatments
Is it possible to fix a pectus excavatum? - Quora
Pectus excavatum repair - series—Normal anatomy: MedlinePlus Medical Encyclopedia
Chest Wall Disorder: Pectus Excavatum (for Parents)
Kidshealth: Chest Wall Disorder: Pectus Carinatum