Change of resource-technology relations in abalone diving-fishing on Ojika Islands: its implication to labor and health of divers.
D000328:Adult; D000368:Aged; D004242:Diving / Q000009:adverse effects*; D005398:Fisheries; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000209:etiology*