TY - BOOK AU - Ali,Abd El Hakam Mahmoud TI - Trials for preparation and evaluation of a comined poultry vaccine composed of new castle disease virus and haemophilus paragallinarum PY - 1998/// KW - Poultry KW - Vaccination KW - Diseases KW - Prevention KW - Virus diseases N1 - Thesis (Ph.D.)--Cairo University,1998; Includes bibliographical references (leaves 255-301); Microfiche; Cairo, Egypt; ASUNET; 5 microfiches:negative ER -