共 14 条
[5]
A prospective, double-blind, randomized study on the use of a topical anesthetic, vasoconstrictor and placebo during transnasal flexible fiberoptic endoscopy
[J].
JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH,
1997, 40 (06)
:1352-1357
[9]
Preiss C, 2003, ENDOSCOPY, V35, P641