According to a Live Science report, traces of an anesthetic have been detected on a pair of iron scissors and tweezers ...
An analysis of residue on centuries-old surgical tools reveals the use of a toxic anesthetic in Ming dynasty-era Chinese ...
Live Science on MSN
Ming dynasty-era surgical tools may have world's oldest chemical evidence of topical anesthetic
An analysis of residue on centuries-old surgical tools reveals the use of a toxic anesthetic in Ming dynasty-era Chinese ...
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