& et al. M. EFFECT OF ADDING PENTOXIFYLLINE AND NITRIC OXIDE TO TRIS EXTENDER ON SOME POST-CRYOPRESERVED SEMEN ATTRIBUTES OF HOLSTEIN BULLS. Iraqi J. Agric. Sci. [Internet]. 2020 Apr. 26 [cited 2024 May 7];51(2):619-28. Available from: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/989