Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
MacPherson, H; Vertosick, E A; Foster, N.E; Lewith, G; Linde, K; Sherman, K J; Witt, C M; Vickers, A J (2017). The persistence of the effects of acupuncture after a course of treatment. Pain, 158(5):784-793.