Suggested Topics within your search.
Suggested Topics within your search.
Adult
1
Analgesics, Opioid
1
Humans
1
Meperidine
1
Nerve Block
1
Pain, Postoperative
1
Ultrasonography, Interventional
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adult
controlled study
1
human
1
interventional ultrasonography
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narcotic analgesic agent
1
nerve block
1
pethidine
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postoperative pain
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procedures
1
randomized controlled trial
1
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