รบกวนขอ paper ครับผม ขอบพระคุณมากครับ

1. Attenuation Markers of a Candidate Dengue Type 2 Vaccine Virus, Strain 16681 (PDK-53), Are Defined by Mutations in the 5′ Noncoding Region and Nonstructural Proteins 1 and 3
Siritorn Butrapet1,2,
Claire Y.-H. Huang2,
Dennis J. Pierro2,
Natth Bhamarapravati1,
Duane J. Gubler2, and
Richard M. Kinney2,*

2. Construction of infectious dengue 2 virus cDNA clones using high copy number plasmid
Rungtawan Sriburia,
Poonsook Keelapangb,
Thaneeya Duangchindac,
Sumalee Pruksakorna,
Niwat Maneekarna,
Prida Malasitc,
Nopporn Sittisombut

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