One, two, or three? Constructs of the brief pain inventory among patients with non-cancer pain in the outpatient setting.
Lapane KL, Quilliam BJ, Benson C, Chow W, Kim M. One, two, or three? Constructs of the brief pain inventory among patients with non-cancer pain in the outpatient setting. J Pain Symptom Manage. 2014 Feb; 47(2):325-33.