National Registry of Diseases Office Singapore Stroke Registry NRST112 HIST_ISCHEMIC_HEART_DIS Hsitory of ischemic heart disease Y=yes, N=no, M=missing 2005-2021
National Registry of Diseases Office Singapore Stroke Registry NRST112 HIST_ISCHEMIC_HEART_DIS Hsitory of ischemic heart disease Y=yes, N=no, M=missing 2005-2021