TY - JOUR T1 - Sudden appearance of a painful bluish nodule on the hand JO - Actas Dermo-Sifiliográficas T2 - AU - Batista,M. AU - Brinca,A. AU - Vieira,R. SN - 15782190 M3 - 10.1016/j.adengl.2021.07.008 DO - 10.1016/j.adengl.2021.07.008 UR - https://www.actasdermo.org/en-sudden-appearance-painful-bluish-nodule-articulo-S1578219021002080 ER -