Daylight saving time shifts and incidence of acute myocardial infarction--Swedish Register of Information and Knowledge About Swedish Heart Intensive Care Admissions (RIKS-HIA).
Janszky I, Ahnve S, Ljung R, Mukamal KJ, Gautam S, Wallentin L, Stenestrand U. Daylight saving time shifts and incidence of acute myocardial infarction--Swedish Register of Information and Knowledge About Swedish Heart Intensive Care Admissions (RIKS-HIA). Sleep Med. 2012 Mar; 13(3):237-42.