?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Vincent&rft.au=Vincent%2C+K&rft.aufirst=K&rft.volume=8&rft.title=BMJ+Open&rft.atitle=GaPP2%2C+a+multicentre+randomised+controlled+trial+of+the+efficacy+of+gabapentin+for+the+management+of+chronic+pelvic+pain+in+women%3A+study+protocol.&rft.issn=2044-6055&rft.issue=1&rft.date=31+January+2018&rft.genre=article