« Headaches and COVID-19 Infection: Epidemiology and Outcomes in a North African Sample: Rim KARRAY, Imen BEN SALEM, Mouna BOUAZIZ, Abdennour NASRI, Ahlem WALHA, Mariem MALLEK, Nour BELLAAJ, Mabrouk BAHLOUL, Olfa CHAKROUN-WALHA, Noureddine REKIK ». 2022. Tunisian Journal of Emergency Medicine 2 (2). https://tjem.tn/index.php/tjem/article/view/23.