1. Akashy H, Yokoyama Y (1975) Dried leaf extracts of Stevia. Toxicological tests. Shokuin Kogyo 18: 34–43.
2. Alvarez M, Bazzote RBG, Cury R, Bottion LM (1981) Efeito do extrato aquoso da Stevia rebaudiana (Bert.) Bertoni sobre parâmetros bioquímicos de pessoas adultas normals. Arq Biol Tecnol 24 (1): 77.
3. Alves LM (1975) The gibberelin and the gibberehn-hke substances of Stevia rebaudiana Bertoni. Univ Chicago, Photoduplication Dep, Diss Abstr Inst Bot 36: 3194.
4. Alves LM, Ruddat M (1979) The presence of gibberelin A20 in Stevia rebaudiana and its significance for the biological activity of steviol. Plant Cell Physiol 20: 123–130.
5. Amat AG (1982) Los principios edulcorantes de Stevia rebaudiana Bert. Estado actual de su conocimiento. Acta Farm Bonaer 1: 121–123.