Seroprevalence of coronavirus disease 2019 (COVID-19) among health care workers from three pandemic hospitals of Turkey. - Alkurt G; Murt A; Aydin Z; Tatli O; Agaoglu NB; Irvem A; Aydin M; Karaali R; Gunes M; Yesilyurt B; Turkez H; Mardinoglu A; et al. (PloS one, 2021)