@misc{indiciae68686ba2ba6d, title = {Headache rounds--acquired migraine.}, author = {A Leviton and P Graham}, year = {1979}, doi = {10.1111/j.1526-4610.1979.hed1905254.x}, url = {https://pubmed.ncbi.nlm.nih.gov/468530/}, note = {Source identifier: 468530} }