Hieu LT, Son LL, Nhung NM, Vu HXA, Thi TTA. Determination of luteolin from extracts of Helicteres hirsuta by HPLC. hueuni-jns [Internet]. 2019Jul.9 [cited 2024Nov.15];128(1B):43-7. Available from: http://222.255.146.83/index.php/hujos-ns/article/view/5195