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Cancer Health Empowerment for Living without Pain (Ca-HELP): study design and rationale for a tailored education and coaching intervention to enhance care of cancer-related pain

Richard L Kravitz*, Daniel J Tancredi, Richard L Street, Donna Kalauokalani, Tim Grennan, Ted Wun, Christina Slee, Dionne Evans Dean, Linda Lewis, Naomi Saito and Peter Franks

BMC Cancer 2009, 9:319  doi:10.1186/1471-2407-9-319