3Chitty CS, Hunt GH,Moore J, et al. Effectiveness of routine ultrasonography in detecting fetal abnormalities in a low risk population.Br Med J,1991,303:1165-1169.
4McHugo JM. Skeletal A, Twining P, eds. Textbook of Fetal Abnormalities. London: Churchill Livingstone,2000. 237-267.
5Snowdon C,Elbourne DR,Garcia J. Perinatal pathology in the context of a clinical trial:attitudes of bereaved parents. Arch Dis Child Fetal Neonatal Ed,2004,89:F208-211.
6Snowdon C, Elbourne DR,Garcia J. Perinatal pathology in the context of a clinical trial: attitudes of neonatologists and pathologists. Arch Dis Child Fetal Neonatal Ed,2004,89 : F204-207.
7Chief Medical Pfficcr. Report of a census of organs and tissues retained hy pathology services in England. London: Stationery Office,2000.
8Chief Medica Officer. The removal, retention and use of human organs and tissues from post mortem examination. London: Stationery Office, 2001.
