Smiderle , F. R. N., Ramos-Silva, V., Castro , S. M. de J., Courvoisier, D. S. and Mattiello , R. (2021) “Portuguese validation of the Regret Intensity Scale (RIS-10) for measuring the intensity of regret associated with the provision of attention in health”, Investigación y Educación en Enfermería, 39(3). doi: 10.17533/udea.iee.v39n3e09.