title: Immunity in natural history.
authors.affiliation: Department of Philosophy, Colorado State University, Fort Collins 80523, USA.
authors.forename: H
authors.initials: H
authors.lastname: Rolston
mesh_terms: D000818:Animals; D005075:Biological Evolution; D006801:Humans; D007109:Immunity; D007156:Immunologic Memory; D017634:Self Tolerance