Nguyễn Thị Kiều, Đỗ TP, Phạm Văn Hùng, Nguyễn Thị Hòa1, Phùng Hải Linh. SECONDARY REFERENCE STANDARDS USED IN CONTROL OF VACCINES AND BIOLOGICALS . JCVB [Internet]. 2024 Apr. 1 [cited 2025 Apr. 20];4(1). Available from: https://jcvb.vn/index.php/jcvb/article/view/134