RT Journal Article SR Electronic T1 NULLIUS IN VERBA JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 911 OP 911 VO 25 IS 161 A1 N. B. Eastwood YR 1975 UL http://bjgp.org/content/25/161/911.1.abstract AB