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L.L.Baad-HansenL.L. i inni, Effect of systemic monosodium glutamate (MSG) on headache and pericranial muscle sensitivity, „Cephalalgia: An International Journal of Headache”, 30 (1), 2010, s. 68–76, DOI: 10.1111/j.1468-2982.2009.01881.x, PMID: 19438927(ang.).
YokoY.ObayashiYokoY., YoichiY.NagamuraYoichiY., Does monosodium glutamate really cause headache?. A systematic review of human studies, „The Journal of Headache and Pain”, 17, 2016, s. 54, DOI: 10.1186/s10194-016-0639-4, PMID: 27189588, PMCID: PMC4870486(ang.).