RT Journal Article SR Electronic T1 Spinal manipulation JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 281 OP 281 DO 10.3399/bjgp08X279869 VO 58 IS 549 A1 John K Paterson YR 2008 UL http://bjgp.org/content/58/549/281.1.abstract AB