title: [The comparative effects on cardiac rhythm of work carried out at different attitudes].
mesh_terms: D000531:Altitude; D001290:Attitude; D002320:Cardiovascular Physiological Phenomena; D006321:Heart / Q000502:physiology*; D006801:Humans; D005082:Physical Exertion; D014937:Work
keywords: ALTITUDE; EXERTION; HEART/physiology