title: T cell heterogeneity: firmly fixed, predominantly plastic or merely malleable?
authors.affiliation: National Institutes of Health, Bethesda, Maryland 20852-1820, USA. osheajo@mail.nih.gov
authors.forename: John J
authors.initials: JJ
authors.lastname: O'Shea
authors.forename: Christopher A
authors.initials: CA
authors.lastname: Hunter
authors.forename: Ronald N
authors.initials: RN
authors.lastname: Germain
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D006801:Humans; D037182:T-Cell Antigen Receptor Specificity; D013601:T-Lymphocytes / Q000166:cytology* / Q000276:immunology*; D006377:T-Lymphocytes, Helper-Inducer / Q000166:cytology / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000166:cytology / Q000276:immunology