Figure 4From: A unique therapeutic approach to emesis and itch with a proanthocyanidin-rich genonutrientTime course of the scratching response to subcutaneous 5-HT. Number of episodes of scratching in 5-min intervals over a one-hour period after injection of 5HT subcutaneously. (n = 5 per group) Controls got an injection of an identical volume of saline (100 μl).Back to article page