Microscopic features and chromatographic fingerprints of selected congolese medicinal plants: Aframomum alboviolaceum (Ridley) K. Schum, Annona senegalensis Pers. and Mondia whitei (Hook.f.) Skeels . (2018). Emergent Life Sciences Research, 1-10. https://doi.org/10.7324/ELSR.2018.410110