Stavreva, P., Hristova, E., Zlatkov, A. and Todorov, P. 2023. Effect of Newly Synthesized Methylxanthines on Motility, Fertilization Capacity of Male Gametes and Embryo Quality. Proceedings of the Bulgarian Academy of Sciences. 76, 8 (Aug. 2023), 1214–1221. DOI:https://doi.org/10.7546/CRABS.2023.08.07.