1. VirB4- and VirD4-Like ATPases, Components of a Putative Type 4C Secretion System in Clostridioides difficile
   Julya Sorokina et al, 2021, Journal of Bacteriology CrossRef
2. Type 4 secretion system in Clostridioides difficile: Structural features and its role as a pathogenicity factor
   Julya V. Sorokina et al, 2023, Journal of microbiology, epidemiology and immunobiology CrossRef