DO, Ngoc Lan Thi et al.
 Extraction and Purification of 9-Methoxycanthin-6-One  from Radix Eurycomae Longifoliae  for Reference Standard Establishment.
<strong>VNU Journal of Science: Medical and Pharmaceutical Sciences</strong>, [S.l.], v. 40, n. 3, sep. 2024.
ISSN 2588-1132.
Available at: &lt;<a href="https://js.vnu.edu.vn/MPS/article/view/4690" target="_new">https://js.vnu.edu.vn/MPS/article/view/4690</a>&gt;. Date accessed: 22 dec. 2024.
doi: <a href="https://doi.org/10.25073/2588-1132/vnumps.4690">https://doi.org/10.25073/2588-1132/vnumps.4690</a>.