Suporn Foongladda. (1997) Genetic and biological characterization of HIV-1 subtype E in vertical transmission. Mahidol University,:ม.ป.ท.Suporn Foongladda. 1997. Genetic and biological characterization of HIV-1 subtype E in vertical transmission. ม.ป.ท.:Mahidol University,;Suporn Foongladda. Genetic and biological characterization of HIV-1 subtype E in vertical transmission. ม.ป.ท.:Mahidol University, 1997. Print.