KUMAR, G.; SANJAY UMACHIGI, P.; VRUSHBENDRA SWAMY, B.; DHANAPAL, R.; ASHOK KUMAR, C.; JAYVEERA, K. Spectrophotometric Method for the Estimation of Total Alkaloids in the Stem Bark of Symplocos Racemosa and in Its Formulations. ajc 2010, 19, 3537-3540.