Freitas FRN, Júnior EJF, Freitas DJN, Caproni SMP, Barros DF de, Neto RP da S. Headache as the most prevalent post-vaccination adverse event after Covid-19 vaccination. Headache Med [Internet]. 2024 Feb. 8 [cited 2024 Nov. 1];15(1):7-12. Available from: https://headachemedicine.com.br/index.php/hm/article/view/1022