. 1915 Dec;1(12):582–585. doi: 10.1073/pnas.1.12.582
A Quantitative Study of Cutaneous Analgesia Produced by Various Opium Alkaloids
David I Macht
1, N B Herman
1, Charles S Levy
1
Charles S Levy
1Pharmacological Laboratory, Johns Hopkins University
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1Pharmacological Laboratory, Johns Hopkins University
PMCID: PMC1090902 PMID: 16576076