Health problems of passengers at sea.
D000437:Alcoholism; D002318:Cardiovascular Diseases; D006233:Persons with Disabilities; D005260:Female; D005767:Gastrointestinal Diseases; D006801:Humans; D007114:Immunization; D008297:Male; D001523:Mental Disorders; D008659:Metabolic Diseases; D009041:Motion Sickness / Q000628:therapy; D009326:Naval Medicine; D012141:Respiratory Tract Infections; D013471:Sunburn; D014195:Travel