Michelle L. Bell, Devra L. Davis, Tony Fletcher:A retrospective assessment of mortality from the London smog episode of 1952: the role of influenza and pollution.Environmental Health Perspectives,2004-01, 112. vsk, nro 1, s. 6–8.PubMed:14698923doi:10.1289/ehp.6539ISSN0091-6765Artikkelin verkkoversio.
Michelle L. Bell, Devra L. Davis, Tony Fletcher:A retrospective assessment of mortality from the London smog episode of 1952: the role of influenza and pollution.Environmental Health Perspectives,2004-01, 112. vsk, nro 1, s. 6–8.PubMed:14698923doi:10.1289/ehp.6539ISSN0091-6765Artikkelin verkkoversio.
Michelle L. Bell, Devra L. Davis, Tony Fletcher:A retrospective assessment of mortality from the London smog episode of 1952: the role of influenza and pollution.Environmental Health Perspectives,2004-01, 112. vsk, nro 1, s. 6–8.PubMed:14698923doi:10.1289/ehp.6539ISSN0091-6765Artikkelin verkkoversio.