Sombhun Doung-udomdacha. 1995. Detection of Porphyromonas gingivalis PCR technique using fimbrial gene primers. Bangkok:Mahidol University;
Sombhun Doung-udomdacha. (1995) Detection of Porphyromonas gingivalis PCR technique using fimbrial gene primers (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Sombhun Doung-udomdacha. Detection of Porphyromonas gingivalis PCR technique using fimbrial gene primers. Bangkok:Mahidol University, 1995.
Sombhun Doung-udomdacha. (1995) Detection of Porphyromonas gingivalis PCR technique using fimbrial gene primers (รายงานผลงานวิจัย). Mahidol University:Bangkok.