Affective and sensory qualities of pain complement evaluative measures of opioid analgesia: results from the Qualities of Dental Pain Index (QDPI)

Schachtel B, Hersh E, Papas A, Daniels S, Muse D, Patrick K, Bennett J, Schachtel E, Marino M, Zuniga J. J Pain. 2015;16(4):S7.