Cardillo, A. B., A. M. Giulietti, and P. L. Marconi. “Analysis and Sequencing of h6hmRNA, Last Enzyme in the Tropane Alkaloids Pathway from Anthers and Hairy Root Cultures of Brugmansia Candida (Solanaceae)”. Electronic Journal of Biotechnology, vol. 9, no. 3, June 2006, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v9n3-15.