title: Evidence for inter- and intra-genotypic variations in dengue serotype 4 viruses representing predominant and non-predominant genotypes co-circulating in Thailand from 1977 to 2001.
authors.affiliation: Science and Engineering Apprentice Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
authors.forename: Richard
authors.initials: R
authors.lastname: Zhao
authors.forename: Piyawan
authors.initials: P
authors.lastname: Chinnawirotpisan
authors.forename: Chonticha
authors.initials: C
authors.lastname: Klungthong
authors.forename: Chunlin
authors.initials: C
authors.lastname: Zhang
authors.forename: Robert
authors.initials: R
authors.lastname: Putnak