"Haematological changes associated with Newcastle disease vaccination in chickens using gums from Cedrela odorata and Khaya senegalensis as delivery agents" (2020) Nigerian Journal of Physiological Sciences, 35(2), ص 167–171. موجود في: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/576 (تاريخ الوصول: 5 أبريل 2026).