4Ruggeri FM, Johansen K, Basile G, et al. Antirotavirus immunoglo- bulin A neutralizes virus in vitro aRer transcytosis through epithelial cells and protects infant mice from diarrhea[J]. J Virol, 1998, 72 (4) : 2708-2714.
5Kaila M, Isolauri E, Virtanen E, et al. Preponderance of IgM from blood lymphocytes in response to infantile rotavims gastroenteritis[J]. Gut, 1992, 33 (5) :639-642.