Studies on preparation of new oily combined vaccine for rota and corona viruses in cattle [computer file]/
دراسات على تحضير لقاح مشترك زيتى جديد لفيروس الروتا والكورونا فى الماشية.
Effat Lotfy El-Sayed Karam Allah.
- 2006.
- Computer laser optical disk; c4 3/4 in.
Thesis (Ph.D.) --Benha University,2006 .
Includes bibliographical references (leaves145-180) .