7[8]Smith,K. L., H. R. Conrad, et al. Effect of vitamin E and selenium dietary supplementation on mastitis in first lactation dairy cows[J]. J. Dairy Sci. 1985;68(Suppl. 1):190. (Abstr. ).
8[9]Meglia GE, Johannisson A, et al. Changs in some blood micronutrients, leukocytes and neutrophil expression of adhesion molecules in periparturient dairy cows [J]. Acta Vet Scand.2001 ;42(1): 139-50.
9[10]Ndiweni N,Finch JM et al. Effects of in vitro supplementation with alpha-tocopherol and selenium on bovine neutrophil functions: implications for resistance to mastitis[J]. Vet Immunol Immrnopathol. 1996 May;51(1-2) :67-68.
10[11]Smith, K. L. , J. H. Harrison et al. Effects of vitamin E and selenium supplementation on incidence of clinical mastitis and duration of clinical symptoms [J]. J. Dairy Sci. 1984; 67:1293.