RT Journal Article SR Electronic T1 Lifeline telephone service for the elderly—an account of a pilot project in Hull JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 352 OP 352 VO 24 IS 142 A1 M. K. Thompson YR 1974 UL http://bjgp.org/content/24/142/352.2.abstract AB