Have alternative social security mutualities to the RETA reached their lowest point? The mandatory inclusion of self-employed professional groups in the RETA “system” is seen as a logical step within the overall Social Security framework. revsegsoc [Internet]. 2024 Jun. 28 [cited 2026 Nov. 6];(39):13-32. Available from: https://revista.laborum.es/index.php/revsegsoc/article/view/971