Pentas longiflora Oliv.(Rubiaceae), a plant used in the treatment of Pityriasis Versicolor in Rwanda: Chemical composition and standardization of leaves and roots

Kagisha, V., Marini Djang'Eing'A, R., Muganga, R., Bonnet, O., Tchinda, A. T., Jansen, O., ... & Frederich, M