Justin Smith appears recovered and ready for the 2013 season - Niners Nation
49ers 34, Vikings 26: Instant analysis of red-hot rushing attack
49ers: Justin Smith's cash crop superhuman strength
49ers' Justin Smith decides to retire – The Mercury News
Justin Smith Announces Retirement from NFL
2009 Sacramento State Football Media Guide by Hornet Sports - Issuu
Golden Nuggets: Any day now for Justin Smith maybe - Niners Nation
49ers' Justin Smith calls it quits after stellar 14-year career
49ers' Justin Smith a Force to Be Reckoned With - The New York Times
Justin Smith retires: 49ers defensive lineman announces retirement - Sports Illustrated