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在1967～1972年间对206人做了调查研究,其中164人(年龄3～86岁)所吃的鱼是他们自己或其家人从瑞典的沿海或湖、河之中捕捞而来的;20人吃远离海
A total of 206 people were surveyed between 1967 and 1972, 164 of whom (3-86 years of age) eats fish from themselves or their families fishing in Sweden’s coastal or lakes and rivers; 20 Eat away from the sea