Lukito, Evul Winoto, et al. “Metabolite Profiling and Inhibitory Effects of Nitric Oxide on Andrographis Paniculata Burm. F Nees Extract Using Different Solvents As a Potential Candidate in COVID-19 Therapy”. Asian Journal of Chemistry, vol. 36, no. 6, May 2024, pp. 1301-7, doi:10.14233/ajchem.2024.31387.