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Osman, LM; McKenzie, L; Cairns, J; Friend, JAR; Godden, DJ; Legge, JS; Douglas, JG; (2001) Patient weighting of importance of asthma symptoms. Thorax, 56 (2). pp. 138-42. ISSN 0040-6376 https://researchonline.lshtm.ac.uk/id/eprint/14501 Full text not available from this repository.