Enta TM, Yoshinaga A, Yamada N, Murata K. Influence of Sapwood and Heartwood on Cryptomeria japonica Toughness Mechanism in Mode-I Radial-longitudinal and Tangential-longitudinal Systems. BioRes [Internet]. 2026 Mar. 12 [cited 2026 Mar. 13];21(2):3894-909. Available from: https://ojs.bioresources.com/index.php/BRJ/article/view/25152