Performance and feasibility of self-microsampling of capillary blood and saliva for serological testing of SARS-CoV-2. - Morales, Ivonne; Bueggeln, Josh; Denzler, Anna; Sonntag-Buck, Vera; Börner, Kathleen; Chlanda, Petr; Koeppel, Lisa; Deckert, Andreas; Bärnighausen, Till; Knop, Michael; Denkinger, Claudia M. (PLoS ONE, 2025)