Milbak, J., Holten, V. M. F., Axelsson, P. B., Bendix, J. M., Aabakke, A. J. M., Nielsen, L., Friis, M. B., Jensen, C. A. J., Løkkegaard, E. C. L., Olsen, T. E., Rode, L., & Clausen, T. D. (2021). a prospective cohort study of confirmed severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) infection during pregnancy evaluating SARS‐CoV‐2 antibodies in maternal and umbilical cord blood and SARS‐CoV‐2 in vaginal swabs. Acta obstetricia et gynecologica Scandinavica, 100, 2268–2277. http://access.bl.uk/ark:/81055/vdc_100146093414.0x000062