TY - GEN AU - Ahmed Mohammed Amin Mansour AU - Amal Abdelaziz Elmolla , AU - Hassan Mohammed Elsaid , AU - Mamdouh Abdelghani , TI - Epidemiological studies on mastitis in friesian cattle / PY - 2000/// CY - Cairo : PB - Ahmed Mohammed Amin Mansour , N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Internal Medicine and Infectious Diseases ER -