6Ahirwar A,Prakash R,Kushwaha BB,et al.Patient controlled epidural labour analgesia(PCEA):A comparison between ropivacaine,ropivacaine-fentanyl and ropivacaine-clonidine[J].J Clin Diagn Res,2014,8(8):GC09-13.
7Kim BG,Kang H.The effect of preemptive perianal ropivacaine and ropivacaine with dexmedetomidine on pain after hemorrhoidectomy:a prospective,randomized,double-blind,placebo-controlled study[J].Indian J Surg,2014,7(1):49-55.
8Bonneau C,Nizard J.Management of pregnancies with a previous cesarean[J].J Gynecol Obstet Biol Reprod(Paris),2012,41(6):497-511.
10Lim JY,Lee SE,Park G,et al.Inhibition of indoleamine 2,3-dioxygenase by stereoisomers of 1-methyl tryptophan in an experimental graft-versus-tumor model[J].Exp Hematol,2014,42(10):862-866.e3.
