Altfeld, M The role of CD4(+) T helper cells in the cytotoxic T lymphocyte response to HIV-1. [electronic resource] - Current opinion in immunology Aug 2000 - 375-80 p. digital Publication Type: Journal Article; Review ISSN: 0952-7915 Standard No.: 10.1016/s0952-7915(00)00103-5 doi Subjects--Topical Terms: AnimalsDisease Models, AnimalHIV-1--immunologyHumansT-Lymphocytes, Cytotoxic--immunologyT-Lymphocytes, Helper-Inducer--immunologyVirus Diseases--immunology