JECFA Summary 921info
Safety evaluation of certain food additives and contaminants prepared by the fifty-seventh meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA). WHO Food Additives Series No. 48, 2002.
SLR B1A. Scientific literature review of propylene glycol, glycerol and related substances. PB85141083. National Technical Information Service. 1979.