Park, J., Linde, K., Manheimer, E., Molsberger, A., Sherman, K., Smith, C., … Schnyer, R. (2008). The status and future of acupuncture clinical research. Journal of Alternative and Complementary Medicine (New York, N.Y.), 14(7), 871-81. https://doi.org/10.1089/acm.2008.SAR-4