(2017). Veterinary Record 180(5), 112-116. BMJ Publishing Group, London, UK. English language
Thompson, L., (2015). Veterinary Times 45(37), 10-11. Veterinary Business Development Ltd, Peterborough, UK. English language
(2016). Veterinary Record 178(21), 523-527. BMJ Publishing Group, London, UK. English language
Bailey, C. S., (2016). Clinical Theriogenology 8(3), 203-206. The Society for Theriogenology, Montgomery, USA. English language
Mancinelli, E., Bament, W., (2014). Veterinary Times 44(25), 10...12. Veterinary Business Development Ltd, Peterborough, UK. English language
Meredith, A., (2015). Veterinary Record 177(8), 198-199. BMJ Publishing Group, London, UK. English language
Klaphake, E., (2013). Small Animal and Exotics Proceedings. North American Veterinary Conference, Orlando, Florida, USA, 19-23 January 2013., unpaginated. North American Veterinary Conference, Gainesville, USA. English language
Risco, D., García, A., Serrano, E., Fernandez-Llario, P., Benítez, J. M., Martínez, R., García, W. L., Mendoza, J. H. de, (2014). Transboundary and Emerging Diseases 61(6), 555-562. Wiley-Blackwell, Berlin, Germany. English language
Mastromonaco, G. F., Houck, M. L., Bergfelt, D. R., (2012). Sexual Development 6(1/3), 84-95. S Karger AG, Basel, Switzerland. English language
Silva, A. W. C. da, (2013). Archives of Veterinary Science 18(2, Suppl. 1), 1-57. Universidade Federal do Paraná, UFPR, Palotina, Brazil. Portuguese language