title: Planetary protection.
authors.affiliation: George Mason University, Fairfax, Va.
authors.forename: H J
authors.initials: HJ
authors.lastname: Morowitz
mesh_terms: D000337:Aerospace Medicine / Q000379:methods*; D003264:Containment of Biohazards / Q000379:methods*; D006801:Humans; D016083:Planets; D013026:Space Flight