RT Journal Article SR Electronic T1 Manipulations of the Cervical Spineā€”a Pilot Study JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 182 OP 182 VO 34 IS 260 A1 Philip Helliwell YR 1984 UL http://bjgp.org/content/34/260/182.3.abstract AB