Clinical features and virology of hand foot mouth disease in Southern Vietnam, July 2013 - March 2015 by Hoang, V, Nguyen, T, Tran, T, Ha, M, Do, V, Ho, V, Nguyen, T, Huu, K, Le, N, Vinh, C, Phan, Q, Thwaites, L, Sabanthan, S, Le, T, Van Doorn, H