Development and validation of a rapid high performance liquid chromatography - photodiode array detection method for estimation of a bioactive compound wedelolactone in extracts of Eclipta alba . Braz. J. Pharm. Sci. [Internet]. 2013 Mar. 1 [cited 2024 Jul. 17];49(1):57-63. Available from: https://revistas.usp.br/bjps/article/view/58604