title: Year-long medico-engineering experiment in a partially closed ecological system.
mesh_terms: D000328:Adult; D000337:Aerospace Medicine; D018504:Ecological Systems, Closed; D004781:Environmental Exposure; D005118:Extraterrestrial Environment; D006801:Humans; D008021:Life Support Systems; D008297:Male; D008961:Models, Structural; D008962:Models, Theoretical; D008991:Monitoring, Physiologic; D010808:Physical Examination; D011581:Psychological Tests; D013026:Space Flight; D013312:Stress, Physiological; D014586:USSR