Yutrirak, K., Ratta-apha, W., Dankulchai, P. and Pukrittayakamee, P. (2021) “Psychometric Properties of the PHQ-9, HADS, and CES-D Questionnaires and the Prevalence of Depression in Patients with Cancer Receiving Radiotherapy”, Siriraj Medical Journal, 73(12), pp. 793–800. doi: 10.33192/Smj.2021.103.