title: The problem of attesting fitness for duty of seafarers seen against reductions of shipboard personnel.
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D009326:Naval Medicine; D010559:Personnel Management / Q000592:standards; D010560:Personnel Selection / Q000592:standards; D010809:Physical Fitness; D011581:Psychological Tests; D000078329:Workforce