Study of acute toxicity and investigation of the presence of β-N-methylamino-L-alanine in the Gunnera manicata L. a species native to Southern Brazil . Braz. J. Pharm. Sci. [Internet]. 2011 Sep. 1 [cited 2024 Jul. 6];47(3):623-8. Available from: https://revistas.usp.br/bjps/article/view/10924