title: Two hundred thirty-seven days in Salyut-7.
authors.forename: K
authors.initials: K
authors.lastname: Feoktistov
mesh_terms: D000337:Aerospace Medicine; D055580:Astronomical Phenomena; D001256:Astronomy; D002468:Cell Physiological Phenomena; D018534:Earth, Planet; D018478:Extravehicular Activity; D005260:Female; D006801:Humans; D008297:Male; D012106:Research; D013026:Space Flight; D018531:Spacecraft / Q000295:instrumentation*; D014893:Weightlessness / Q000009:adverse effects*; D018544:Weightlessness Countermeasures