title: Accident prevention among crews of merchant ships.
authors.forename: K A
authors.initials: KA
authors.lastname: Sapovalov
mesh_terms: D000062:Accidents, Occupational / Q000517:prevention & control*; D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D009326:Naval Medicine; D012767:Ships; D014586:USSR; D014947:Wounds and Injuries / Q000517:prevention & control