TY - GEN AU - Mohab Halim Awad AU - Ismail Mohamed Reda , AU - Nadia Mohamed Hassan , TI - Studies on the egg drop syndrome virus vaccine / PY - 2000/// CY - Cairo : PB - Mohab Halim Awad , N1 - Thesis (Ph.D.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Virology UR - http://172.23.153.220/th.pdf ER -