title: Evaluating the evidence for past life on Mars.
authors.forename: J F
authors.initials: JF
authors.lastname: Bell
mesh_terms: D018559:Exobiology; D005118:Extraterrestrial Environment; D018535:Mars; D019110:Meteoroids; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis*
chemical_list: D011084:Polycyclic Aromatic Hydrocarbons