Letter to the editor
Intermittent, subtle change of ST segment in narrow QRS regular tachycardia
Hyeong Won Seo, Hyung Wook Park, Ki Hong Lee, Joon-Ho Ahn, Ji Eun Yu, Nam Sik Yoon, Jeong Gwan Cho
Korean J Intern Med. 2016;31(4):791-793. Published online June 17, 2016
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