PMC:4536239 / 6623-6888
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/4536239","sourcedb":"PMC","sourceid":"4536239","source_url":"https://www.ncbi.nlm.nih.gov/pmc/4536239","text":"Non-migraine headache assessment\nIf a participant responded positively to the question, ‘In the past year, have you had at least 1 headache lasting more than 1 min?’ and was not diagnosed as having migraine, she or he was diagnosed as having non-migraine headaches.","divisions":[{"label":"title","span":{"begin":0,"end":32}}],"tracks":[]}