Hand, foot, and mouth disease in Vietnam by Nhu, LNT, Van, HMT, Nhan, LNT, Anh, NT, Thanh, TT, Hang, VTT, Ny, NTH, Hong, NTT, Hung, NT, Khanh, TH, Quy, DT, Tuan, HM, Viet, HL, Viet, DC, Nam, NT, Thanh, NTM, Sabanathan, S, Qui, PT, Chau, NVV, Thwaites, GE, Wills, B, Thwaites, CL, van Doorn, HR, Tan, LV