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Table 2 Searches with keywords “treatment migraines” for each discussion forum and the number of topics included in the analysis after limitation

From: Psychoactive substances as a last resort—a qualitative study of self-treatment of migraine and cluster headaches

Discussion forum Topics Topics initiated last year Included topics 317 13 4 (3 duplicates) 242 42 8 (3 duplicates) 87 4 1
Total included    13