Clarke, T. C., Black, L. I., Stussman, B. J., Barnes, P. M., & Nahin, R. L. (2015). Trends in the Use of Complementary Health Approaches Among Adults: United States, 2002–2012. Natl Health Stat Report.

Clarke, Tainya C., Lindsey I. Black, Barbara J. Stussman, Patricia M. Barnes, and Richard L. Nahin. "Trends in the Use of Complementary Health Approaches Among Adults: United States, 2002–2012." Natl Health Stat Report 2015.

Clarke, Tainya C., et al. "Trends in the Use of Complementary Health Approaches Among Adults: United States, 2002–2012." Natl Health Stat Report 2015.