Question: is this a 2) strong advice, 1) weak advice 0) no advice?

Therefore, preoperative use of gabapentin may have a place in the treatment of postoperative pain (Dahl, Mathiesen, & Moiniche, 2004; Ho, Gan, & Habib, 2006; Milch, 2005) and has been given as a single dose (Dirks et al., 2002; Hurley, Cohen, Williams, Rowlingson, & Wu, 2006; Rorarius et al., 2004) or as an adjunct to epidural analgesia (Turan, Kaya, Karamanlioglu, Pamukcu, & Apfel, 2006). 
user
This is no advice
assistant