Somjed Sahasitiwat. 2002. The study of acute cardiovascular toxicity of diterpenoid lactones isolated from Andrographis paniculata [Burm.F.] nees. Field of Study Toxicology, Mahidol University;
Somjed Sahasitiwat. (2002) The study of acute cardiovascular toxicity of diterpenoid lactones isolated from Andrographis paniculata [Burm.F.] nees. . Mahidol University/Bangkok.
Somjed Sahasitiwat. The study of acute cardiovascular toxicity of diterpenoid lactones isolated from Andrographis paniculata [Burm.F.] nees. . Bangkok:Mahidol University, 2002.
Somjed Sahasitiwat. (2002) The study of acute cardiovascular toxicity of diterpenoid lactones isolated from Andrographis paniculata [Burm.F.] nees. . Mahidol University/Bangkok.