The formalin test in mice: effect of for
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Rosland, Jan Henrik; Tjølsen, Arne; Mæhle, Bjørn; Hole, Kjell
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Article
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1990
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Elsevier Science
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English
⚖ 1000 KB
The effect of different formalin concentrations on the nociceptive response in the formalin test was examined in mice. Subcutaneous formalin injection induces 2 distinct periods of high licking activity: an early phase lasting the first 5 min, and a late phase lasting 20-30 min after the injection.