`  * http://www.nlm.nih.gov/medlineplus/ency/article/001252.htm Medline Plus Overview  * http://jcem.endojournals.org/cgi/content/full/86/11/5138 Medical Publication with overview and discussion of tracers  *http://ndt.oxfordjournals.org/cgi/content/full/14/10/2323 Discusses spontaneous resolution  *http://cat.inist.fr/?aModele=afficheN&cpsidt;=14484947 Treatment and recovery  *http://www.eyepathologist.com/disease.asp?IDNUM=324410 Duke University overview  *http://www.ejbjs.org/cgi/reprint/15/2/509.pdf  :-``Youth desease``  :-`