%0 Journal Article %T Acute atraumatic pinna (auricular) perichondritis %A Alan Lucerna %A James Espinosa %J Archive of "World Journal of Emergency Medicine". %D 2018 %R 10.5847/wjem.j.1920-8642.2018.02.013 %X Dear editor %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5847504/