Brouwers Melissa C, Kho Michelle E, Browman George P, Burgers Jako S, Cluzeau Francoise, Feder Gene, Fervers Béatrice, Graham Ian D, Grimshaw Jeremy, Hanna Steven E, Littlejohns Peter, Makarski Julie, Zitzelsberger Louise
Department of Oncology, McMaster University, 711 Concession St., Hamilton, Ontario.
J Clin Epidemiol. 2010 Dec;63(12):1308-11. doi: 10.1016/j.jclinepi.2010.07.001. Epub 2010 Jul 24.