title: Fit, and on a mission. Can the human body survive a lengthy Martian sojourn?
authors.forename: C W
authors.initials: CW
authors.lastname: Petit
mesh_terms: D015519:Bone Density; D015444:Exercise; D018470:Gravity, Altered / Q000009:adverse effects*; D006801:Humans; D018535:Mars; D013026:Space Flight; D014481:United States