Effect of the working environment on ocean-going ships on the seaman's health. Suggestions concerning prophylaxis indications.
D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D008875:Middle Aged; D009326:Naval Medicine; D009497:Neurotic Disorders / Q000453:epidemiology* / Q000517:prevention & control; D012767:Ships / Q000592:standards