BAŇAS, Štefan et al. Theobromine as a protective biomolecule in the CatSper gene expression of bovine cryopreserved spermatozoa. In Animal biotechnology 2024. 1st edit. 85 s. ISBN 978-80-552-2715-3. Animal biotechnology. Nitra : Slovak University of Agriculture, 2024, s. 54. Available on Internet:<https://drive.google.com/file/d/1874czc4WJu2HrCOZA00YyXZB8BIeetPH/view>