Yi, S. S., Bartley, K. F., Firestone, M. J., Lee, K. K., & Eisenhower, D. L. (2015). Self-Reported Sitting Time in New York City Adults, The Physical Activity and Transit Survey, 2010–2011. Prev Chronic Dis.

Yi, Stella S., Katherine F. Bartley, Melanie J. Firestone, Karen K. Lee, e Donna L. Eisenhower. "Self-Reported Sitting Time in New York City Adults, The Physical Activity and Transit Survey, 2010–2011." Prev Chronic Dis 2015.

Yi, Stella S., et al. "Self-Reported Sitting Time in New York City Adults, The Physical Activity and Transit Survey, 2010–2011." Prev Chronic Dis 2015.