“The Transition from Permanent Total Disability to Absolute Disability Due to Different Contingencies: Consolidation of the Supreme Court Doctrine on Determining the Regulatory Basis and Other Aspects”. Revista de Derecho de la Seguridad Social, Laborum, no. 26, Mar. 2021, pp. 149-64, https://revista.laborum.es/index.php/revsegsoc/article/view/451.