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(a and b) Analgesic activity of LPEE, LPGE, and pentazocine at 0 min (basal) to 180 min of study duration in tail-flick and hot-plate study methods in terms of % increase in latency period from respective group basal (0 min) value. aP < 0.05, bP < 0.01, and cP < 0.001 compared to respective min control carboxymethyl cellulose value
