Bidirectional Conversion Models to Harmonize Total Phenolic and Flavonoid Content Analysis in Medicinal Plant Extracts. Trop J Nat Prod Res [Internet]. 2025 Dec. 31 [cited 2026 Jan. 1];9(12):6026 – 6032. Available from: https://www.tjnpr.org/index.php/home/article/view/7922