Other types

NF4
- http://www.checkorphan.org/disease/neurofibromatosis-type-4-riccardi
NF5
- http://cat.inist.fr/?aModele=afficheN&cpsidt=1218940

NF6
- http://www.wrongdiagnosis.com/n/neurofibromatosis_type_6/intro.htm#whatis
- http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=2678