RT Journal Article SR Electronic T1 Acupuncture for ‘frequent attenders’ with medically unexplained symptoms JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 491 OP 491 DO 10.3399/bjgp11X588268 VO 61 IS 589 A1 David Colquhoun YR 2011 UL http://bjgp.org/content/61/589/491.1.abstract AB