“Acute Non-Ischemic Idiopathic Blue Finger: Achenbach’s Syndrome. Case Report and Literature Review”. Revista de la Asociación Argentina de Ortopedia Y Traumatología, vol. 86, no. 5, Oct. 2021, pp. 645-50, https://doi.org/10.15417/issn.1852-7434.2021.86.5.1182.