References:
1.Choonhakarn C, Busaracome P, Sripanidkulchai B, Sarakarn P. A prospective, randomized clinical trial comparing topical aloe vera with 0.1% triamcinolone acetonide in mild to moderate plaque psoriasis. J Eur Acad Dermatol Venereol. 2010 Feb;24(2):168-72. http://www.ncbi.nlm.nih.gov/pubmed/19686327
2.Syed TA, Ahmad SA, Holt AH, et al. Management of psoriasis with Aloe vera extract in a hydrophilic cream: a placebo-controlled, double-blind study. Trop Med Int Health . 1996 Aug;1(4):505-509. http://www.ncbi.nlm.nih.gov/pubmed/8765459
3.Dat AD, Poon F, Pham KB, Doust J. Aloe vera for treating acute and chronic wounds. Cochrane Database Syst Rev. 2012 Feb 15;2:CD008762. http://www.ncbi.nlm.nih.gov/pubmed/22336851