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