title: SPACE MEDICINE IN THE MANNED SPACE FLIGHT PROGRAM.
mesh_terms: D000337:Aerospace Medicine; D018504:Ecological Systems, Closed; D005118:Extraterrestrial Environment; D008511:Medicine; D011830:Radiation Effects; D013026:Space Flight; D014893:Weightlessness
keywords: EXTRATERRESTRIAL ENVIRONMENT; MEDICINE; RADIATION EFFECTS; SEALED CABIN ECOLOGY; SPACE FLIGHT; WEIGHTLESSNESS