Survey Text

1992
1991
1990
1989
1988
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1992
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39. Did you have a blood transfusion at any time between 1977 and 1985?

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

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1991
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39. Did you have a blood transfusion at any time between 1977 and 1985?

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

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1990
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39. Did you have a blood transfusion at any time between 1977 and 1985?

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

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1989
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39. Did you have a blood transfusion at any time between 1977 and 1985?

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

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1988
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39. Did you have a blood transfusion at any time between 1977 and 1985?

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