Punlee, K., Udol, K., Chaithiraphan, V., Rochanasiri, W., Phrudprisan, S., & Ratanasit, N. (2019). Prevalence of and Factors Associated with Inappropriate Indications for Transthoracic Echocardiography in Adult Outpatients at Siriraj Hospital. Siriraj Medical Journal, 71(1), 74–79. https://doi.org/10.33192/Smj.2019.12