?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Charlesworth&rft.aufirst=G&rft.au=Charlesworth%2C+G&rft.issn=0959-8146&rft.title=BMJ&rft.issue=7656&rft.atitle=Befriending+carers+of+people+with+dementia%3A+randomised+controlled+trial&rft.volume=336&rft.date=7+June+2008&rft.genre=article