Author = EL MOLLA, A.
EFFECT OF NEWCASTLE DISEASE AND AVIAN ENCEPHALOMYELITS VIRUSES ON FERTILITY AND HATCHABILLTY OF EGGS AND ITS CONTROL

Volume 14.2, Issue 28, May 1985, Pages 61-67

A. EL MOLLA; E.F. ELGHAZZAWI; T.H. MAHMOUD; R.E. RIZK; M.A. BASTAMI; F.E. SAAD


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