TY - JOUR AU - Sherman, Karen J. AU - Hawkes, Rene J. AU - Ichikawa, Laura AU - Cherkin, Daniel C. AU - Deyo, Richard A. AU - Avins, Andrew L. AU - Khalsa, Partap S. PY - 2009 DA - 2009/10/27 TI - Comparing recruitment strategies in a study of acupuncture for chronic back pain JO - BMC Medical Research Methodology SP - 69 VL - 9 IS - 1 AB - Meeting recruitment goals is challenging for many clinical trials conducted in primary care populations. Little is known about how the use of different recruitment strategies affects the types of individuals choosing to participate or the conclusions of the study. SN - 1471-2288 UR - https://doi.org/10.1186/1471-2288-9-69 DO - 10.1186/1471-2288-9-69 ID - Sherman2009 ER -