Choo, M.H.Tan, A.T.Chia, B.L.MEDICINE2014-12-172014-12-171986Choo, M.H.,Tan, A.T.,Chia, B.L. (1986). Spontaneous directional change of F waves in atrial flutter. Journal of Electrocardiology 19 (4) : 397-398. ScholarBank@NUS Repository.00220736https://scholarbank.nus.edu.sg/handle/10635/117872Spontaneous directional change of F waves in atrial flutterArticleNOT_IN_WOS