RT Journal Article SR Electronic T1 THE AGEING POPULATION – BURDEN OR CHALLENGE? JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 39 OP 40 VO 39 IS 318 A1 Williamson, J. YR 1989 UL http://bjgp.org/content/39/318/39.3.abstract AB