“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”. Revista de Derecho de la Seguridad Social, Laborum, no. 41, Dec. 2024, pp. 9-25, https://revista.laborum.es/index.php/revsegsoc/article/view/1058.