ENWEndNote BIBJabRef, Mendeley RISPapers, Reference Manager, RefWorks, Zotero AMA Pawliczak R. Comparison of two currently available anti-COVID-19 vaccines. Alergologia Polska - Polish Journal Allergology. 2021;8(1):19-20. doi:10.5114/pja.2021.102554. APA Pawliczak, (2021). Allergology, 8(1), 19-20. https://doi.org/10.5114/pja.2021.102554 Chicago Rafa?. 2021. "Comparison vaccines". Allergology ...