Effective equine immunization protocol for production of potent poly-specific antisera against Calloselasma rhodostoma, Cryptelytrops albolabris and Daboia siamensis. Sapsutthipas S, Leong PK, Akesowan S, Pratanaphon R, Tan NH, Ratanabanangkoon K: PLoS Negl Trop Dis 2015, 9(3):e0003609.

Efficacy of Andrographis paniculata extract treatment in mild to moderate COVID-19 patients being treated with favipiravir: A double-blind, randomized, placebo-controlled study (APFaVi trial) Siripongboonsitti T, Ungtrakul T, Tawinprai K, Auewarakul C, Chartisathian W, Jansala T, Julsawad R, Soonklang K, Mahanonda N, Mahidol C Phytomedicine. 2023;119:155018.