Human Brucella melitensis infections in southern Vietnam by Campbell, J, Huong Lan, N, Phuong, P, Buu Chau, L, Duc, T, Guzmán-Verri, C, Ruiz-Villalobos, N, Thi Minh, T, Muñoz Álvaro, P, Moreno, E, Thwaites, G, Rabaa, M, Chau, N, Baker, S