Shedafa, R. J., Sempombe, J., Malebo, H. M., Otieno, J., Kaale, E., Temu, M., & Imming, P. (2023). Application of high-performance thin layer chromatography and near infrared spectroscopy in the validation of in-use stability of herbal medicines used in the management of Covid-19. East and Central African Journal of Pharmaceutical Sciences, 25(1), 31–40. https://doi.org/10.4314/ecajps.v25i1.