TAHS questionnaires
Probands
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Baseline questionnaire (1968)
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1974 follow up questionnaire
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1979 follow up questionnaire
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1991 follow up questionnaire
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2002 follow up questionnaire
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2012 follow up questionnaire (Male)
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2012 follow up questionnaire (Female)
Siblings
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Siblings survey 1968
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Siblings postal survey 2007
Parents
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Parents postal survey 1968
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Parents postal survey 2010