highly significantp < 0.0001
Results The place preference of fentanyl and place aversion of spiradoline, and their interactions, yielded a highly significant difference by an overall treatment of all the data, p < 0.0001.
Results The place preference of fentanyl and place aversion of spiradoline, and their interactions, yielded a highly significant difference by an overall treatment of all the data, p < 0.0001.