- Efficacy of Andrographis paniculata, Nees for pharyngotonsillitis in adults. Thamlikitkul, V., Dechatiwongse, T., Theerapong, S., Chantrakul, C., Boonroj, P., Punkrut, W., Ekpalakorn, W., Boontaeng, N., Taechaiya, S., Petcharoen, S. Journal of the Medical Association of Thailand = Chotmaihet thangphaet. (1991)