Results of genetic testing: when confidentiality conflicts with a duty to warn relatives

In the first article, by Wai-Ching Leung, in this Ethical Debate (9 December, pp 1464-6) the references unfortunately deleted themselves electronically somewhere in the publication process. They have now been reunited with the article (which can be found at www.bmj.com/cgi/content/full/321/7274/1464).