Huynh, Phuong, Trần Anh, Nguyễn Hạnh, Nguyễn Linh, Trương Loan, Hồ Dũng, Nguyễn Đông, and Đinh Bình. 2021. “Analysis of the Selenium (Se) Content in the Toenail of Colorectal Cancer Patients”. Science & Technology Development Journal: Natural Sciences 5 (1), 969-74. https://doi.org/https://doi.org/10.32508/stdjns.v5i1.961.