Köhne, M., Kuhlmann, M., Tönißen, A., Martinsson, G., & Sieme, H. (2020). Diagnostic and treatment practices of equine endometritis: a questionnaire. Frontiers in Veterinary Science, 7: 547. https://doi.org/10.3389/fvets.2020.00547
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Köhne, M., Mönnig, F., Papin, J., Schöniger, S., Tönissen, A., Rohn, K., Martinsson, G., Schoon, H.-A., & Sieme, H. (2020). Effects of hysteroscopic and uterine body insemination on the presence of selected immune cells in the equine endometrium. Journal of Equine Veterinary Science, 90: 103023. https://doi.org/10.1016/j.jevs.2020.103023
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Köhne, M., Tönissen, A., Unruh, C., Pruß, D., & Sieme, H. (2020). Occurrence of intrauterine purulent concrements in a maiden mare: a case report. Journal of Equine Veterinary Science, 95: 103278. https://doi.org/10.1016/j.jevs.2020.103278
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Blanco, M., Tönißen, A., Foss, R., & Sieme, H. (2019). The effects of different treatments of recipient mares on the day of embryo transfer on post- transfer pregnancy rates in a large commercial embryo transfer program. In Reproduction in domestic animals. Wiley. https://doi.org/10.1111/(ISSN)1439-0531
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Pricking, S., Spilker, K., Martinsson, G., Rau, J., Tönißen, A., Bollwein, H., & Sieme, H. (2019). Equine fetal gender determination in mid- and advancedgestation by transabdominal approach – comparative study using 2D B-Mode ultrasound, Doppler sonography, 3D B-Mode and following tomographic ultrasound imaging. Pferdeheilkunde, 35(1), 11–19. https://doi.org/10.21836/pem20190102
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Tönißen, A., Müller-Stephan, L., & Sieme, H. (2019). Hysteroscopic catheterisation of the equine oviduct. In Reproduction in domestic animals. Wiley. https://doi.org/10.1111/(ISSN)1439-0531
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Tönissen, A. (2016). Transabdominal ultrasonography during advanced gestation in horses to perform fetal gender determination with special consideration of practicability and repeatability of the examination technique [Bibliothek der Tierärztlichen Hochschule Hannover]. https://elib.tiho-hannover.de/receive/etd_mods_00000297
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