Álvarez Acuña, Ana Milena, Claudia Liliana Buitrago Martín, and Alejandra Ceballos Vejarano. 2023. “Content of the Advance Directives Form of the Pain and Palliative Care Services in Colombia. Cross-Sectional Study ”. Colombian Journal of Anesthesiology 52 (2). https://doi.org/10.5554/22562087.e1093.