@misc{indiciae8af39a870082, title = {Obstructive sleep apnea and cluster headache.}, author = {Steven B Graff-Radford and Alan Newman}, year = {2004}, doi = {10.1111/j.1526-4610.2004.446010.x}, url = {https://pubmed.ncbi.nlm.nih.gov/15186306/}, note = {Source identifier: 15186306} }