Genetics Home Reference

Genetics Home Reference is the National Library of Medicine's web site for consumer information about genetic conditions and the genes or chromosomes related to those conditions. The website includes Condition Summaries, Gene Summaries, Gene Family Summaries, Chromosome Summaries and a resources section providing links to other online resources based on users ie families, researchers or health professionals.
Genetics Home Reference also provides a free printable version of the entire Handbook, complete with illustrations. One of the latest additions to the site is Stevens-Johnson syndrome/toxic epidermal necrolysis. 

Genetics Home Reference