Rothman KJ, Arellano F. Elevating the level of scientific discourse. Int J Occup Environ Health. 2005 Sep 1;11(3):327-8.
Ford HL, Gerry E, Tennant A, Whalley D, Haigh R, Johnson MH. Developing a disease-specific quality of life measure for people with multiple sclerosis. Clin Rehabil. 2001;15(3):247-58.