Johner, C H Polychondritis in a newborn presenting as tracheomalacia. [electronic resource] - The Annals of otology, rhinology, and laryngology Dec 1970 - 1114-6 p. digital Publication Type: Journal Article ISSN: 0003-4894 Standard No.: 10.1177/000348947007900615 doi Subjects--Topical Terms: Cartilage Diseases--congenitalHumansInfant, NewbornTracheal Diseases--congenital