Wattegedera, S. R., Doull, L. E., Goncheva, M. I., Wheelhouse, N., Watson, D. M., Pearce, J., …Entrican, G. (2019). Immunological homeostasis at the ovine placenta may reflect the degree of maternal foetal interaction. Frontiers in Immunology, 9, https://doi.org/10.3389/fimmu.2018.03025