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Tidarat Komwatchara. (1996) The development of Andrographis paniculata extract gel for microbial inhibition in adult periodontitis . Mahidol University/Bangkok.
Tidarat Komwatchara. The development of Andrographis paniculata extract gel for microbial inhibition in adult periodontitis. . Bangkok:Mahidol University, 1996.
Tidarat Komwatchara. (1996) The development of Andrographis paniculata extract gel for microbial inhibition in adult periodontitis . Mahidol University/Bangkok.