“Administrative Mutualism in constant questioning in the face of the rationalising orientations regarding Social Security: crisis and critique of the health care model of administrative mutualism: on an unprecedented crisis caused by the non-renewal of health care agreements between MUFACE and private health care insurance companies” (2024) Revista de Derecho de la Seguridad Social, Laborum, (41), pp. 9–25. Available at: https://revista.laborum.es/index.php/revsegsoc/article/view/1058 (Accessed: 6 November 2026).