by Atuman, Y.J., Ogunkoya, A.B., Adawa, D.A.Y., Nok, A.J., Biallah, M.B.
Published in International journal of veterinary science and medicine (01.06.2014)

by Anyanwu, I N, Umoh, J U, Ogbogu, V C, Essien, E S, Galadima, M, Adawa, D A, Hassan, A Z
Published in African journal of medicine and medical sciences (01.12.1996)

by Adawa, D A, Hassan, A Z, Abdullah, S U, Ogunkoya, A B, Adeyanju, J B, Okoro, J E
Published in The Veterinary quarterly (1992)