@misc{indiciae2fc3031ba0fd, title = {Medication-overuse headache: a worldwide problem.}, author = {Hans-Christoph Diener and Volker Limmroth}, year = {2004}, doi = {10.1016/s1474-4422(04)00824-5}, url = {https://pubmed.ncbi.nlm.nih.gov/15261608/}, note = {Source identifier: 15261608} }