References
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- Mayo Clinic. 2020a. Diseases & conditions: migraine. The Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/migraine-headache/symptoms-causes/syc-20360201.
- Mayo Clinic. 2020b. Diseases & conditions: optic neuritis. The Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/optic-neuritis/symptoms-causes/syc-20354953