Lessons in medical and pharmaceutical botany. Revista Universidad de Guayaquil, [S. l.], v. 4, n. 1-2, p. 79–91, 1933. DOI: 10.53591/rug.v4i1-2.929. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/1374. Acesso em: 5 dec. 2025.