Fig. 6From: Plasma levels of a methadone constant rate infusion and their corresponding effects on thermal and mechanical nociceptive thresholds in dogsAn instrumented dog relaxing during testing between applications of the stimuli in the play pen. The thermistor probe for thermal testing is held against the thoracic wall with elastic ribbons. The mechanical probe is placed above radius and ulna of the right forelimb and a dummy on the contralateral forelegBack to article page