Designing an automated clinical decision support system to match clinical practice guidelines for opioid therapy for chronic pain - Trafton, JA; Martins, SB; Michel, MC; Wang, D; Tu, SW; Clark, DJ; Elliott, J; Vucic, B; Balt, S; Clark, ME; Sintek, CD; Rosenberg, J; Daniels, D; Goldstein, MK (Implement Sci, 2010)