1. The complete Sherlock Holmes;Doyle,1930
2. Gorlin’s syndromes of the head and neck;Hennekam,2010
3. Smith’s recognizable patterns of human malformation;Jones,2013
4. POSSUM Web, 2017. http://www.possum.net.au/ (requires subscription).
5. OMIM;Online Mendelian Inheritance in Man,2017