?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Yin&rft.aufirst=K&rft.au=Yin%2C+K&rft.atitle=Patient+work+from+a+context+and+time+use+perspective%3A+a+mixed-methods+study+protocol&rft.volume=8&rft.title=BMJ+Open&rft.date=February+2019&rft.issn=2044-6055&rft.issue=12&rft.genre=article