6Millar K,Jelicic M,Bonke B,et al.Assessment of preope-rative anxiety:comparison of measures in patients awaiting surgery for breast cancer[J].Br J Anaesth,1995,74(2):180-183.
7Cote C J.Preoperative preparation and premedication[J].Br J Anaesth,1999,83(1):16-28.