5Witzel K, von Rahden BH, Kaminski C, et al. Transoral access for endoscopic thyroid resection [ J ]. Surg Endosc, 2008,22 ( 8 ) : 1871-1875.
6Benhidjeb T, Wilhelm T, Harlaar J, et al. Natural orifice surgery on thyroid gland: totally transoral video-assisted thyroidectomy (TOVAT) : report of first experimental results of a new surgical method [ J ]. Surg Endosc,2009,23 (5) : 1119-1120.
7Ulmer BC. The hazards of surgical smoke [ J ]. AORN J, 2008,87 (4) :721-734; quiz 735-738.
8Higgins J P T, Green S. Cochrane handbook for systematic reviews of interventions(version 5,1.0)[EB/OL]. (2011-03- 21) [2014-12-10]. Cochrane-handbook. org.
9Lee W J, Chan C P, Wang B Y. Recent advances in laparo- scopic surgery[J]. Asian J Endosc Surg, 2013,6 ( 1 ) : 1-8.