autores Patrícia Espinheira de Sá Maciel Ferro, A. Castro, M.-J. CAROLINA DE LEMOS BARROS Santos, M. Sousa, A. Pereira-Monteiro, J. Jorge Sequeiros Maciel, P.
palavras-chave Adult Case-Control Studies Female Folic Acid Genotype Homozygote Humans Male Methylenetetrahydrofolate Reductase (NADPH2) Migraine with Aura Migraine without Aura Polymorphism, Genetic Portugal Risk Factors association study cephalalgia folate metabolism homocysteine