M. Koetz, T. G. Santos, M. Rayane, and A. T. Henriques, “Quantification of Atropine in Leaves of Atropa belladonna: Development and validation of method by high-perfomance liquid chromatography (HPLC)”, Drug Anal. Res., vol. 1, no. 1, pp. 44–49, Mar. 2026.