AU - Sherman KJ, Cherkin DC, Wellman RD, et al TI - A randomized trial comparing yoga, stretching, and a self-care book for chronic low back pain PT - JOUR DP - 2011 TA - Archives of Internal Medicine pages = {2019-2026}, VI - 171 IP - 22 AID - 10.1001/archinternmed.2011.524 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.524 SO - Archives of Internal Medicine December 12, 2011 171(22):2019