Bieder-Laulebieder-laule.de/wp-content/uploads/2018/01/questionnaire_english.pdf · Head Head: Do...
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Bieder-Laulebieder-laule.de/wp-content/uploads/2018/01/questionnaire_english.pdf · Head Head: Do you suffer from headaches? How often, where and when? yes O no O e.g., Seldom, forehead,