“Evaluation of in Vitro Fertilization Index by Caudal Spermatozoa Capacitation with Different Heparin Concentration in Iraqi Sheep: Wafir Mahdi Saleh and Ali Abdul-Ameer”, Iraqi J. Vet. Med., vol. 43, no. 1, pp. 171–182, Aug. 2019, doi: 10.30539/iraqijvm.v43i1.488.