TY - GEN AU - Rania Mahmoud Khalifa Ali AU - Amal Abd El fatah Ghoniem , AU - Mahmoud Essam Hatem , TI - The role of gram negative bacteria in gynaecological disesis in arabian mares / PY - 2005/// CY - Cairo : PB - Rania Mahmoud Khalifa Ali , KW - Arabian Mares KW - Gram negative bacteria KW - Gynaecological disesis N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Microbiology , Bacteriology , Mycology and Immunology; Issued also as CD N2 - The horse is the result of evolutionary change over millions of years The first evidence for the existence of Equus , the ancestor of the present - day horse , is apparent in North America from where it migrated to the rest of the world befor the land masses separated (Morel , 1999) UR - http://172.23.153.220/th.pdf ER -