title: Beyound the moon--some problems in space medicine.
mesh_terms: D000054:Acceleration; D000818:Animals; D018504:Ecological Systems, Closed; D005118:Extraterrestrial Environment; D006112:Gravitation; D000882:Haplorhini; D006801:Humans; D011834:Radiation Monitoring; D011835:Radiation Protection; D013026:Space Flight; D013312:Stress, Physiological; D014893:Weightlessness