1. Seasonal variation of overall and cardiovascular mortality: a study in 19 countries from different geographic locations;Marti-Soler;PLoS One [Internet],2014
2. Christmas , national holidays , sport events , and time factors as triggers of acute myocardial infarction : SWEDEHEART observational study 1998-2013;Mohammad;Br Med J,2013
3. Revisiting the “ christmas holiday effect ” in the southern hemisphere;Knight;J Am Heart Assoc,2016
4. Cardiac mortality is higher around christmas and New year's than at any other time the holidays as a risk factor for death;Phillips;Circulation,2004
5. Mortality spike at New year but not christmas in North East England;Milne;Eur J Epidemiol,2005