Chudgar, S, McManigle, WC, Graham, AJ, Bae, J, Setji, NP, and O'Brien, CL. "TEACHING ESSENTIAL SKILLS: TRAINING MEDICAL STUDENTS IN QUALITY IMPROVEMENT, PROCEDURES, AND TRANSITIONS OF CARE." June 2013.
O'Brien, CL, and Gage, BF. "Cost-effectiveness of ximelagatran for stroke prevention - In reply." JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION 293, no. 23 (June 15, 2005): 2861-2861.
O'Brien, CL, and Gage, BF. "Costs and effectiveness of ximelagatran for stroke prophylaxis in chronic atrial fibrillation." JAMA 293, no. 6 (February 9, 2005): 699-706.
Perret-Guillaume, C, Wahl, D, O'Brien, CL, and Gage, BF. "Cost-effectiveness of ximelagatran for stroke prevention [2] (multiple letters)." Journal of the American Medical Association 293, no. 23 (2005): 2860-2861.
Brendza, RP, O'Brien, C, Simmons, K, McKeel, DW, Bales, KR, Paul, SM, Olney, JW, Sanes, JR, and Holtzman, DM. "PDAPP; YFP double transgenic mice: A tool to study amyloid-β associated changes in axonal, dendritic, and synaptic structures." Journal of Comparative Neurology 456, no. 4 (2003): 375-383.