Comparison between Hypericum triquetrifolium Leaves and Derived Calli in Essential Oil Content. Al-Nahrain Journal of Science, [S. l.], v. 20, n. 2, p. 123–130, 2017. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/90. Acesso em: 9 apr. 2025.