Gabbe, B., Gabbe, B., Magtengaard, K., Hannaford, A., & Cameron, P. (2005). Is the Charlson Comorbidity Index Useful for Predicting Trauma Outcomes? Academic Emergency Medicine, 12(4), pp. 318-321. doi:10.1197/j.aem.2004.12.002

Gabbe, Belinda, B.J Gabbe, K. Magtengaard, A.P Hannaford, and P.A Cameron. "Is the Charlson Comorbidity Index Useful for Predicting Trauma Outcomes?" Academic Emergency Medicine 12, no. 4 (2005): 318-321.

Gabbe, Belinda, et al. "Is the Charlson Comorbidity Index Useful for Predicting Trauma Outcomes?" Academic Emergency Medicine 12.4 (2005): 318-321.