?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Noyes&rft.au=Noyes%2C+J&rft.aufirst=J&rft.pages=35-38&rft.atitle=Cochrane+Qualitative+and+Implementation+Methods+Group+guidance+series%E2%80%94paper+1%3A+introduction&rft.volume=97&rft.title=Journal+of+Clinical+Epidemiology&rft.date=May+2018&rft.issn=1878-5921&rft.genre=article