TY - GEN AU - Muller,J E AU - Ludmer,P L AU - Willich,S N AU - Tofler,G H AU - Aylmer,G AU - Klangos,I AU - Stone,P H TI - Circadian variation in the frequency of sudden cardiac death SN - 0009-7322 PY - 1987///0210 KW - Arrhythmias, Cardiac KW - mortality KW - Circadian Rhythm KW - Coronary Disease KW - Death Certificates KW - Death, Sudden KW - epidemiology KW - Heart Diseases KW - Humans KW - Massachusetts KW - Myocardial Infarction KW - Time Factors N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1161/01.cir.75.1.131 ER -