TY - BOOK AU - Zaki,Farid Fouad TI - Some epidemiological studies on rift valley fever disease in sheep PY - 1991/// KW - Rift valley fever KW - Sheep KW - Virus diseases KW - Diseases KW - Diagnosis N1 - Thesis (M.S.) -- Alexandria University, 1991; Includes bibliographical reference (leaves 83-103); Microfiche; Cairo, Egypt; ASUNET; 2 microfiche : negative ER -