Preliminary Results of Smartphone Electrocardiogram for Detecting Atrial Fibrillation After A Cerebral Ischemic Event: A Multi-center Randomised Controlled Trial. (December 2019) - Koh, K.T.; Law, W.C.; Zaw, W.M.; Foo, D.H.P.; Tan, C.T.; Samuel, D.; Fam, T.L.; Chai, C.H.; Wong, Z.S.; Chandan, D.B.; Tan, J.S.H.; Shu, F.E.P.; et al.