{Reference Type}: Case Reports {Title}: Blue nevus with halo? {Author}: Arzberger E;Niederkorn A;Cerroni L;Hofmann-Wellenhof R; {Journal}: J Am Acad Dermatol {Volume}: 75 {Issue}: 1 {Year}: Jul 2016 {Factor}: 15.487 {DOI}: 10.1016/j.jaad.2015.12.057 {Abstract}: