title: Studies on a small group of normal test pilots with special reference to quantitative relationships of age with the ULF ballistocardiogram and other cardiovascular measurements.
mesh_terms: D000054:Acceleration; D000328:Adult; D000337:Aerospace Medicine; D000367:Age Factors; D001450:Ballistocardiography; D002302:Cardiac Output; D003201:Computers; D004395:Dye Dilution Technique; D006801:Humans; D008875:Middle Aged; D012119:Respiration