Gonçalves, Paulo de Souza, Antonio Lúcio Mello Martins, Nelson Bortoletto, and Rita de Cássia Utida. “Variability of the Structural Characters of the Bark in the Laticiferous System of the Juvenile <i>Hevea< i> Seedlings”. Pesquisa Agropecuaria Brasileira 30, no. 5 (May 1, 1995): 649–656. Accessed November 14, 2025. https://apct.sede.embrapa.br/pab/article/view/4349.