The role of some free-flying and migratory birds in the transmission of some
EL-Zahaby,Helmy Sayed Ahmed.
The role of some free-flying and migratory birds in the transmission of some [microform]/ دور بعض الطيور الطليقة والمهاجرة في نقل بعض الامراض الفيروسية للدجاج المستأنس في مصر Helmy Sayed Ahmed EL-Zahaby. - 1970. - 205,3 leaves : ill ; 30 cm.
Thesis (Ph.D )--Cairo University,1970.
Includes bibliographical references (leaves 173-205)
Microfiche.
Cairo, Egypt :
ASUNET,
4 microfiches : negative.
Summary in Arabic.
Virus diseases--Transmission.
Poultry--Diseases
The role of some free-flying and migratory birds in the transmission of some [microform]/ دور بعض الطيور الطليقة والمهاجرة في نقل بعض الامراض الفيروسية للدجاج المستأنس في مصر Helmy Sayed Ahmed EL-Zahaby. - 1970. - 205,3 leaves : ill ; 30 cm.
Thesis (Ph.D )--Cairo University,1970.
Includes bibliographical references (leaves 173-205)
Microfiche.
Cairo, Egypt :
ASUNET,
4 microfiches : negative.
Summary in Arabic.
Virus diseases--Transmission.
Poultry--Diseases