26. DEVELOPMENT OF A METHOD FOR PREPARING STANDARDIZED DRY EXTRACT OF QUERCETIN FROM THE MEDICINAL HERBS MURDANNIA NUDIFLORA (L.) BRENAN. YHCĐ [Internet]. 2025 Sept. 20 [cited 2026 Sept. 8];66(5). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/3111