1. Abdallah, Y., Naji, O., Saso, S., et al., 2012. Ultrasound assessment of the peri-implantation uterus: a review. Ultrasound Obstet. Gynecol., 39(6):612–619. [doi:10. 1002/uog.10098]
2. Aoki, H., Fujii, M., Imamura, T., et al., 2001. Synergistic effects of different bone morphogenetic protein type I receptors on alkaline phosphatase induction. J. Cell Sci., 114(8):1483–1489.
3. Argañaraz, M.E., Apichela, S.A., Kenngott, R., et al., 2013. Expression and localization of nodal in bovine oviduct and uterus during different functional stages of oestrus cycle and pregnancy. Histochem. Cell Biol., 139(1):89–97. [doi:10.1007/s00418-012-1030-4]
4. Bruce, D.L., Sapkota, G.P., 2012. Phosphatases in SMAD regulation. FEBS Lett., 586(14):1897–1905. [doi:10. 1016/j.febslet.2012.02.001]
5. Bukowska, D., Kempisty, B., Jackowska, M., et al., 2011. Differential expression of epidermal growth factor and transforming growth factor beta isoforms in dog endometrium during different periods of the estrus cycle. Pol. J. Vet. Sci., 14(2):259–264. [doi:10.2478/v10181- 011-0039-2]