Maxwell CrannaAndrew Walters ForbesGeoffrey Frederick James GoddardDaniel John GoldsteinGinette Lesley HarrisonMichael LeibsonJohn David LewisPatrick Joseph O'RourkeKathleen Mary SpencerAndrew WattJohn Leslie David Williams
BMJ 2000; 320 :253
doi:10.1136/bmj.320.7229.253