Assertion: nitrous oxide's use | /r/HasSubevent | increased pain relief
Facets:
Source sentences:
text: The investigators belief is that the use of an opioid with advantageous pharmacokinetic properties and powerful analgesic effect as an adjunctive therapy during the course of external cephalic version procedures may become an efficacious and safe alternative, leading to increased pain relief and improved external cephalic version success rates.