Roberts, M. H., Mapel, D. W., Bruse, S., Petersen, H., & Nyunoya, T. (2013). Development of a Modified BODE Index as a Mortality Risk Measure Among Older Adults With and Without Chronic Obstructive Pulmonary Disease. Oxford University Press.

Roberts, Melissa H., Douglas W. Mapel, Shannon Bruse, Hans Petersen, and Toru Nyunoya. Development of a Modified BODE Index As a Mortality Risk Measure Among Older Adults With and Without Chronic Obstructive Pulmonary Disease. Oxford University Press, 2013.

Roberts, Melissa H., et al. Development of a Modified BODE Index As a Mortality Risk Measure Among Older Adults With and Without Chronic Obstructive Pulmonary Disease. Oxford University Press, 2013.