Two-way effect modifications of air pollution and air temperature on total natural and cardiovascular mortality in eight European urban areas. Chen, Kai; Wolf, Kathrin; Breitner, Susanne; Gasparrini, Antonio; Stafoggia, Massimo; Samoli, Evangelia; Andersen, Zorana Jovanovic; Bero-Bedada, Getahun; Bellander, Tom; Hennig, Frauke; Jacquemin, Bénédicte; Pekkanen, Juha; Hampel, Regina; Cyrys, Josef; Peters, Annette; Schneider, Alexandra. Environment International. 2018; 116: p.186-196. doi:10.1016/j.envint.2018.04.021Article