1. Mortality and morbidity during the London fog of December 1952. Report No 95, Public Health and Medical Subjects,1954
2. Temporal association between hospital admissions for asthma in Birmingham and ambient levels of sulphur dioxide and smoke;Walters, S.; Griffiths, R.K.; Ayres, J.G.;Thorax,1994
3. Effects of urban air pollution on emergency room admissions for chronic obstructive pulmonary disease;Sunyer, J.; Anto, J.M.; Murillo, C.; Saez, M.;Am J Epidemiol,1991
4. Air pollution and emergency room admissions for chronic obstructive pulmonary disease: a 5-year study;Sunyer, J.; Saez, M.; Murillo, C.; Castelsaque, J.; Martinez, F.; Anto, J.M.;Am J Epidemiol,1993
5. Hospital admissions and air pollutants in Southern Ontario: the acid summer haze effect;Bates, D.V.; Szito, R.;Environ Res,1987