@misc{indiciaea5a5cef27be6, title = {Clonidine in migraine prophylaxis.}, author = {T Kallanranta and H Hakkarainen and E Hokkanen and T Tuovinen}, year = {1977}, doi = {10.1111/j.1526-4610.1977.hed1704169.x}, url = {https://pubmed.ncbi.nlm.nih.gov/893090/}, note = {Source identifier: 893090} }