Freitas, Francisco Ricardo Nascimento, Edmar José Fortes Júnior, Débora Joyce Nascimento Freitas, Samara Menali Pereira Caproni, Daniela França de Barros, and Raimundo Pereira da Silva Neto. 2024. “Headache As the Most Prevalent Post-Vaccination Adverse Event After Covid-19 Vaccination”. Headache Medicine 15 (1). https://headachemedicine.com.br/index.php/hm/article/view/1022.