7Di,Mascio,P.,Murphy,M.E.,Sies,H.,"Antioxidant defense systems:The role of carotenoids,tocopherols,and thiols",Am.J.Clin.Nutr.,53,194-200 (1991).
8Rackett,S.C.,Rothe,M.J.,Grant-Kels,J.M.,"Diet and dermatology,the role of dietary manipulation in the prevention and treatment of cutaneous disorders",J.Am.Acad.Dermatol,29 (3),447-461 (1993).
9Keller,K.L.,Fenske,N.A.,"Uses of Vitamins A,C,and E and related compounds in dermatology:A review",J.Am.Acad.Dermatol,39,611-625 (1998).
10Kligman,M.D.,"Topical treatments for photoaged skin",Postgrad.Med.,102,115-118 (1997).
