1Higgins JP, Thompson SG, Deeks JJ, et al. Measuring inconsistency in meta-analyses[J]. BMJ,2003,327 (7414) :557 - 560.
2Sattayut S, Trivibulwanich J, Pipithirunkarn N, et al. A clinical ef- ficacy of using CO2 laser irradiating to transparent gel on aphthous stomatitis patients[J]. Laser therapy,2013,22(4) :283 - 289.
3Tezel A, Kara C, Balkaya V, et al. An evaluation of different treat- ments for recurrent aphthous stomatitis and patient perceptions:Nd: YAG laser versus medication[J]. Photomedicine and laser surgery, 2009,27 ( 1 ) : 101 - 106.
4Prasad S, Pal A. Assessment of immediate pain relief with laser treatment in recurrent aphthous stomatitis [J]. Oral surgery, oral medicine, oral pathology and oral radiology, 2013,116 ( 2 ) : 189 - 193.
5Albrektson M, Hedstrm L, Bergh H. Recurrent aphthous stomatitis and pain management with low - level laser therapy: a randomized controlled trial[J]. Oral surgery, oral medicine, oral pathology and oral radiology ,2014,117 ( 5 ) :590 - 594.
6Zand N, Ataie - Fashtami L, Djavid GE, et al. Relieving pain in minor aphthous stomatitis by a single session of non - thermal carbon dioxide laser irradiation [J]. Lasers in medical science, 2009,24 (4) :515 -520.
