title: Physician-astronauts have pioneered during two decades of shuttle flights.
authors.forename: M
authors.initials: M
authors.lastname: Mitka
mesh_terms: D000337:Aerospace Medicine; D018480:Astronauts; D006801:Humans; D010820:Physicians; D013026:Space Flight; D014481:United States; D018557:United States National Aeronautics and Space Administration