<style face="normal" font="default" size="100%">Application of the Penn State Worry Questionnaire (PSWQ) to an elderly population</style>

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0<style face="normal" font="default" size="100%">Application of the Penn State Worry Questionnaire (PSWQ) to an elderly population</style><style face="normal" font="default" size="100%">Application of the Penn State Worry Questionnaire (PSWQ) to an elderly population</style>