scholarly journals A fixed nitrous oxide/oxygen mixture as an analgesic for trauma patients in emergency department: study protocol for a randomized, controlled trial

Trials ◽  
2018 ◽  
Vol 19 (1) ◽  
Author(s):  
Lu-Lu Gao ◽  
Li-Shan Yang ◽  
Jun-Jun Zhang ◽  
Yi-Ling Wang ◽  
Ke Feng ◽  
...  
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