Lenz, E., Mueller, C., Mostafa, A., Dzieciolowski, J., Kanrai, P., Dam, S., Cwientzek, U., Prenner, L.-N., & Pleschka, S. (2018). Authorised medicinal product Aspecton (R) Oral Drops containing thyme extract KMTv24497 shows antiviral activity against viruses which cause respiratory infections. JOURNAL OF HERBAL MEDICINE, 13, 26-33. doi:10.1016/j.hermed.2018.02.003.