title: Results of fitness examination of ship's nautical officers in the age 45 to 65 years.
authors.forename: H
authors.initials: H
authors.lastname: Ebert
authors.forename: D
authors.initials: D
authors.lastname: Mehlhorn
mesh_terms: D000368:Aged; D006304:Health Status; D006801:Humans; D008297:Male; D008875:Middle Aged; D009326:Naval Medicine; D010808:Physical Examination; D010809:Physical Fitness; D011044:Poland; D012767:Ships