Watkins, C, Daniels, LL, Dickinson, H and Van Der Broek, M (2001) Accuracy of a single question in screening for depression in a cohort of patients after stroke: comparative study. British Medical Journal, 323 (7322). ISSN 0959-8138
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Official URL: http://www.bmj.com/cgi/content/full/323/7322/1159
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