2019. Anatomical and Morphological study of the Heart’s Chambers and valves in Iraqi ducks Anser platyrhuncha: Mohammed Senan hassan and Razaq J. Mohammed. The Iraqi Journal of Veterinary Medicine. 43, 1 (Aug. 2019), 21–25. DOI:https://doi.org/10.30539/iraqijvm.v43i1.466.