Comparison of dexmedetomidine or propofol combined with fentanyl in painless fiberoptic bronchoscopy
ZHANG Ning1, CHENG Yan2, HAO Jiying1, LI Zhiguo3
Journal of Hebei Medical University . 2017, (4): 428 -432 .  DOI: 10.3969/j.issn.10073205.2017.04.014