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Table 3 Data sources in formal case studies

From: Can the caged bird sing? Reflections on the application of qualitative research methods to case study design in homeopathic medicine

1. Previous medical records of the patient
2. Pre-treatment questionnaires
3. Written/typed notes of the practitioner *
4. Verbatim transcripts of consultations
5. Audio and video tapes of consultations
6. Generic numeric outcome scores (eg EQ-5D or GHQ)
7. Condition-specific outcome scores (e.g. BDI, IBS-QoL)
8. Physical and laboratory measurements (eg bp and ESR)
9. Journals written by patient through therapeutic process
10. Data from interviews of patient by an independent researcher
11. Testimonies of family members
12. Testimonies of other carers including GP and hospital specialist
13. Details of all concurrent medications
14. Other – eg paintings or poems by patient
15. Notes from "supervision" of homeopathic prescribing
16. Information from the homeopathic literature (eg Materia medica)
  1. * – this is often the only source used in informal case reports