Khalil, H M Immunological changes in opportunistic parasitic infections. [electronic resource] - Journal of the Egyptian Society of Parasitology Apr 1991 - 107-20 p. digital Publication Type: Journal Article ISSN: 1110-0583 Subjects--Topical Terms: HumansImmunity, CellularImmunoglobulins--biosynthesisNeoplasms--complicationsOpportunistic Infections--complicationsParasitic Diseases--complications