DONEL S.; KEMAL, Rahmat Azhari; SAVIRA, Maya; RUSTAM, Ruza Prima. Seroprevalence of Anti-SARS-CoV-2 Among Pregnant Women Prior to COVID-19 Vaccination in Pekanbaru, Riau. Nusantara Science and Technology Proceedings, Malang, Indonesia, p. 70–72, 2022. DOI: 10.11594/nstp.2022.2813. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/828. Acesso em: 24 jun. 2025.