Copy to clipboardCopy Thomson, Hilary; Hoskins, Robert; Petticrew, Mark; Ogilvie, David; Craig, Neil; Quinn, Tony; Lindsay, Grace; (2004) Evaluating the health effects of social interventions. BMJ, 328 (7434). pp. 282-285. ISSN 1468-5833 DOI: https://doi.org/10.1136/bmj.328.7434.282
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Is no evidence better than any evidence when controlled studies are unethical?
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