AL KHARUSI, Z.; AL KALBANI, R. .; AL-HADHRAMI, R. Frequency of Asthma Exacerbations and Upper Respiratory Tract Infections Among Adults With Asthma According to Vaccination Status: Does the annual influenza vaccine have a protective effect?. Sultan Qaboos University Medical Journal, [S. l.], v. 24, n. 1, p. 70–75, 2024. DOI: 10.18295/squmj.9.2023.053. Disponível em: https://journals.squ.edu.om/index.php/squmj/article/view/6001. Acesso em: 21 may. 2024.