... Anderson HR, Strachan DP, Bland JM, deLeon AP: Short-term associations between emergency hospitaladmissions for respiratory and cardiovascular disease and outdoor airpollution in London. Arch ... E, Bard D: Air pollution, asthma attacks, and socioeconomicdeprivation: a small-area case-crossover study. Am J Epidemiol 2008,168:58-65.49. Ponce de Leon A, Anderson HR, Bland JM, Strachan ... for pollutant concentrations averaged on the day of thecall, lag 1 is for pollutant concentrations averaged for the previousday of the call, and so on. Associations are expressed as adjustedOR...