5Hoelzle K, Peter S, Sidler M, et al. Inorganic pyrophosphatase in uncultivable hemotrophic mycoplasmas: identifica- tion and properties of the enzyme from Mycoplasma suis[J]. Microbiology, 2010, (1).
6Li W, Du N, Xu B, et al. Alteration of integrin-associated protein (CD 47) on experimental porcine eperythrozoonosis [J]. Vet Res Commun, 2008,(5).