Open access follow up for inflammatory bowel disease: pragmatic randomised trial and cost effectiveness study |
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Authors: | Williams J G Cheung W Y Russell I T Cohen D R Longo M Lervy B |
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Affiliation: | School of Postgraduate Studies in Medical and Health Care, Morriston Hospital, Swansea SA6 6NL. john.williams@pgms.wales.nhs.uk |
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