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Ethical guidelines for investigations of experimental pain in conscious animals
M. Zimmermann · Pain · 1983 · 7.8K citations
ACETIC ACID FOR ANALGESIC SCREENING
R Koster, W. N. Anderson, Edwin J. de Beer · Medical Entomology and Zoology · 1959 · 2.1K citations
Olayiwola Akerele · Journal of Ethnopharmacology · 1987 · 1.4K citations · Full text