@misc{indiciae91ae207aa889, title = {Medication overuse headache.}, author = {Volker Limmroth and Zaza Katsarava}, year = {2004}, doi = {10.1097/00019052-200406000-00011}, url = {https://pubmed.ncbi.nlm.nih.gov/15167065/}, note = {Source identifier: 15167065} }