Ibe, C., Onyeanusi, B., Salami, S., Umosen, A., & Maidawa, S. (2008). Studies of the Major Respiratory Pathways of the West African Guinea Fowl (Numida meleagris galeata): the Morphometric and Macroscopic Aspects. International Journal of Poultry Science, 7(10), 997–1000. https://doi.org/10.3923/ijps.2008.997.1000