Preparation of a trivalent oil-emulsion vaccine of inactivated newcastle disease virus, infectious bronchitis virus and haemophilus paragallinarum
By: Abd al-Khaliq, Menha Ahmad; Kamal, O. E.. Beni-Suef Veterinary Medical Journal. Vol. 17, no. 3 (2007), pp.12-17, 6 p.
Subjects: Animals; Infectious diseases; Birds; Diseases