Seasonal prevalence of gastrointestinal nematode parasites of sheep in Northern region of Nile Delta, Egypt.
Khalafalla
Reda E
RE
Department of Parasitology, Faculty Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt. Redabast@hotmail.de
Elseify
Mahmoud A
MA
Elbahy
Nasr M
NM