Trends in the prevalence of cardiovascular diseases among maritime industry workers.
D002318:Cardiovascular Diseases / Q000453:epidemiology* / Q000517:prevention & control; D005767:Gastrointestinal Diseases / Q000453:epidemiology; D006293:Health Promotion / Q000379:methods; D006760:Hospitalization; D006801:Humans; D008403:Mass Screening / Q000458:organization & administration; D009326:Naval Medicine; D011044:Poland; D012140:Respiratory Tract Diseases / Q000453:epidemiology; D012307:Risk Factors; D012767:Ships