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Bonell C, Allen E, Strange V, Oakley A, Copas A, Johnson A, Stephenson J.Bonell C, et al. Among authors: strange v.J Epidemiol Community Health. 2006 Jun;60(6):502-6. doi: 10.1136/jech.2005.042838.J Epidemiol Community Health. 2006.PMID: 16698980Free PMC article.
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Allen E, Bonell C, Strange V, Copas A, Stephenson J, Johnson AM, Oakley A.Allen E, et al. Among authors: strange v.J Epidemiol Community Health. 2007 Jan;61(1):20-7. doi: 10.1136/jech.2005.040865.J Epidemiol Community Health. 2007.PMID: 17183010Free PMC article.Clinical Trial.