title: Immunological specificity as metaphor.
authors.affiliation: Departamento de Bioquímica e Imunologia, Universidade Federal de Minas Gerais, Belo Horizonte, Brasil.
authors.forename: N
authors.initials: N
authors.lastname: Vaz
authors.forename: C R
authors.initials: CR
authors.lastname: Carvalho
mesh_terms: D000818:Animals; D006801:Humans; D007107:Immune System / Q000502:physiology*; D012660:Semantics