{Reference Type}: Comparative Study {Title}: Ethnic differences in the diurnal variation of symptom onset time for acute ST elevation myocardial infarction - An observational cohort study. {Author}: Brown RA;Lip GY;Varma C;Shantsila E; {Journal}: Int J Cardiol {Volume}: 187 {Issue}: 0 {Year}: 2015 {Factor}: 4.039 {DOI}: 10.1016/j.ijcard.2015.03.371 {Abstract}: