title: Introduction: the complexities of T-cell heterogeneity.
authors.affiliation: Emory Vaccine Research Center, Emory University, 954 Gatewood Road NE, Rm. 2042, Atlanta, GA 30322, USA.
authors.forename: Craig P
authors.initials: CP
authors.lastname: Chappell
authors.forename: Joshy
authors.initials: J
authors.lastname: Jacob
mesh_terms: D015496:CD4-Positive T-Lymphocytes / Q000166:cytology / Q000276:immunology; D018414:CD8-Positive T-Lymphocytes / Q000166:cytology / Q000276:immunology; D002454:Cell Differentiation; D006801:Humans; D007109:Immunity; D007156:Immunologic Memory; D008213:Lymphocyte Activation; D016176:T-Lymphocyte Subsets / Q000166:cytology / Q000276:immunology*; D050378:T-Lymphocytes, Regulatory / Q000166:cytology / Q000276:immunology