Developing a patient-centered outcome measure for complementary and alternative medicine therapies I: defining content and format.
Ritenbaugh C, Nichter M, Nichter MA, Kelly KL, Sims CM, Bell IR, Castañeda HM, Elder CR, Koithan MS, Sutherland EG, et al. BMC Complement Altern Med. 2011 Dec 29; 11:135. Epub 2011 Dec 29.