Phisit Prapunwattana. 1993. Construction of synthetic genes for plasmodium falciparum dihydrofolate reductase-thymidylate synthase and pneumocystis carinii dihydrofolate reductase. Faculty of Graduate Studies, Mahidol University;
Phisit Prapunwattana. (1993) Construction of synthetic genes for plasmodium falciparum dihydrofolate reductase-thymidylate synthase and pneumocystis carinii dihydrofolate reductase . Mahidol University/Bangkok.
Phisit Prapunwattana. Construction of synthetic genes for plasmodium falciparum dihydrofolate reductase-thymidylate synthase and pneumocystis carinii dihydrofolate reductase. . Bangkok:Mahidol University, 1993.
Phisit Prapunwattana. (1993) Construction of synthetic genes for plasmodium falciparum dihydrofolate reductase-thymidylate synthase and pneumocystis carinii dihydrofolate reductase . Mahidol University/Bangkok.