TY - BOOK AU - Mohamed,Gehan Kamal TI - The role of bacterial flora in upper respiatory tract of calves and its relation to clinical picture under the environmental condtion at Assuit province PY - 1986/// KW - Claves KW - Diseases KW - Egypt KW - Respiratory organs KW - Veterinary pathology N1 - Thesis(M.S.)--Assiut University, 1986; Includes bibliographical references (leaves 60-68); Microfiche; Cario, Egypt; ASUNET; 2 microfihes : negative ER -