GREENSPAN, Joel; VALKOVA, Silvia. Documenting the Missed Opportunity Period for Influenza Vaccination in Office-based Settings. Online Journal of Public Health Informatics, [S. l.], v. 7, n. 1, 2015. DOI: 10.5210/ojphi.v7i1.5691. Disponível em: https://ojphi.org/ojs/index.php/ojphi/article/view/5691. Acesso em: 3 mar. 2024.