TY - BOOK AU - Abd El-Aal,Ahmed Mohamed Ibrahim TI - Some studies on enteric helminthes of nile fishes PY - 1996/// KW - Helminths KW - Tilapia KW - Diseases KW - Catfishes KW - Egypt N1 - Thesis (M.S.)--Tanta University,1996; Includes bibliographical references (leaves 95-106); Microfiche.Cairo, Egypt :ASUNET; 2 microfiches:negative ER -