Eva Tvrdá and  Boris Botman and  Marek Halenár and  Tomáš Slanina and  Norbert Lukáč,  In vitro Effects of Salvia officinalis on Bovine Spermatozoa.   journal   = {International Journal of Animal and Veterinary Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 122(2). 101 - 107
    [viewed 25 May 2020]. Available from: https://publications.waset.org/pdf/10006264.