1.ICRS –
http://www.cartilage.org/index.php?pid=134&version=normal

2.ISAKOS-
http://www.isakos.com/teaching/default.aspx#ITALY

3.AANA –
http://www.scribd.com/doc/239092144/Dottor-Gobbi-Arthroscopy-Association-of-Noth-America-AANA

4.AAOS –
http://orthodoc.aaos.org/oasi/about.cfm

5.FOOTBALL MEDICINE STRATEGIES FOR PLAYER CARE –
http://www.footballmedicinestrategies.com/en/

6.MILAN CLASSIFIEDS –
http://milan.angloinfo.com/classifieds/index/all/category/classifieds/0/15/viewfeatured/542031/oasi-bioresearch-foundation-npo /