title: Longitudinal study of healthy young men followed over an eighteen-year period.
authors.forename: W R
authors.initials: WR
authors.lastname: HARLAN
authors.forename: A
authors.initials: A
authors.lastname: GRAYBIEL
authors.forename: R K
authors.initials: RK
authors.lastname: OSBORNE
mesh_terms: D000337:Aerospace Medicine; D006801:Humans; D008137:Longitudinal Studies; D054526:Men's Health
keywords: AVIATION MEDICINE