Choorat S, Totanarungroj K, Muangman N. Assessment of Normal Subcarinal Angle on Chest Radiographs in Adult Thai Population. Siriraj Med J [internet]. 2008 Sep. 1 [cited 2026 Oct. 11];60(5):264-6. available from: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246485