RT Journal Article SR Electronic T1 An urban sheep tick. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 55 OP 55 VO 31 IS 222 A1 E. Bloomfield A1 J. Samuel YR 1981 UL http://bjgp.org/content/31/222/55.1.abstract AB