1. Antenatal maternal serum screening for Down's syndrome: results of a demonstration project;Wald;British Medical Journal,1992
2. The extent of Down's syndrome screening in Britain in 1991;Wald;British Medical Journal,1992
3. Screening, ethics and the law;Edwards;British Medical Journal,1992
4. Consumers, continuity and control;Morris-Thompson;Nursing Times,1992
5. Letter;Williams;British Medical Journal,1992