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1990

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34. Do you think the present supply of blood is safe for transfusions?

1[] Yes
2[] No
9[] DK

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1989

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44b. Do you think that present supply of blood is safe for transfusions?

1[] Yes
2[] No
9[] DK

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1988

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44b. Do you think that present supply of blood is safe for transfusions?

1[] Yes
2[] No
9[] DK

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