Sawchuk, C. N., Russo, J. E., Bogart, A., Charles, S., Goldberg, J., Roy-Byrne, P., . . . Forquera, R. (2011). Barriers and Facilitators to Walking and Physical Activity Among American Indian Elders. Centers for Disease Control and Prevention.

Sawchuk, Craig N., Joan E. Russo, Andy Bogart, Steve Charles, Jack Goldberg, Peter Roy-Byrne, Dedra Buckwald, e Ralph Forquera. Barriers and Facilitators to Walking and Physical Activity Among American Indian Elders. Centers for Disease Control and Prevention, 2011.

Sawchuk, Craig N., et al. Barriers and Facilitators to Walking and Physical Activity Among American Indian Elders. Centers for Disease Control and Prevention, 2011.