Has the short-term effect of black smoke exposure on pneumonia mortality been underestimated because hospitalisation is ignored: findings from a case-crossover study

Gittins M, McNamee R, Carder M, Beverland I, Agius RM

Environmental Health 2013, 12:97 (7 November 2013)

Abstract                  http://www.ehjournal.net/content/12/1/97/abstract

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