1. Acosta-López-de-Llergo, I. C., & Sánchez-Araiza, Y. I. (2009). Manifestaciones de la Resiliencia como factor de protección en enfermos crónicos terminales hospitalizados [Resilience manifestation as a protection factor among chronic terminal hospitalized patients]. Psicología Iberoamericana, 17(2), 24–32. Retrieved from https://www.redalyc.org/pdf/1339/133912609004.pdf.
2. Alleyne, G. (1996). La diabetes: una declaración para las Américas [Diabetes: A statement for the Americas]. Boletín de la Oficina Sanitaria Panamericana, 121(5), 461–466. Retrieved from http://iris.paho.org/xmlui/handle/123456789/15419.
3. Alonso, Y., Fontanil, Y., & Ezama, E. (2016). Attachment and wellbeing in women undergoing breast cancer treatment. Anales de Psicología, 32(1), 32–38. https://doi.org/10.6018/analesps.32.1.191961
4. American Psychological Association. (2019). Enfermedades crónicas [Chronic diseases]. Retrieved from https://www.apa.org/centrodeapoyo/cronicas.
5. Andersson, G. (1996). The benefits of optimism: A meta-analytic review of the life orientation test. Personality and Individual Differences, 21(5), 719–725. https://doi.org/10.1016/0191-8869(96)00118-3