22.
Robison J, DuPen S, Stillman M, Fredrickson M, Rivkin S, Feldman E, Gralow J, Rieke JW, Raish RJ, Lee DJ, Cleeland ChS, DuPen A, Syrjala KL, Abrams JR, Polissar NL, Hansberry J. Patient training in cancer pain management using integrated print and video materials: A multisite randomized controlled trial. Pain. 2008; 135: 175–186.