Kim DJ, Rockhill B, Colditz GA (April 2004). "Validation of the Harvard Cancer Risk Index: a prediction tool for individual cancer risk". J Clin Epidemiol. 57 (4): 332–40. doi:10.1016/j.jclinepi.2003.08.013. PMID15135833.
Kim DJ, Rockhill B, Colditz GA (April 2004). "Validation of the Harvard Cancer Risk Index: a prediction tool for individual cancer risk". J Clin Epidemiol. 57 (4): 332–40. doi:10.1016/j.jclinepi.2003.08.013. PMID15135833.