Haller JS. A drug for all seasons, medical and pharmalogical history of aloe. Bull NY Acad Sci 1990; 66: 647-657.
Kemp MC, Kahlon J, Carpenter R et al. Int Conf AIDS 1990;6:1007.
Klein AD, Penneys NS. Aloe vera. J Am Acad Dermatol 1988; 18: 714-719.
Womble K. Helderman JH. The impact of acemannan on the generation and function of cytotoxic T-lymphocytes. Immunopharmacol Immunotoxicol 1992; 14: 63-77.