Gardnerella piotii Vaneechoutte et al. 2019 Vaneechoutte M. Guschin A. Van Simaey L. Gansemans Y. Van Nieuwerburgh F. Cools P. Emended description of Gardnerella vaginalis and description of Gardnerella leopoldii sp. nov., Gardnerella piotii sp. nov. and Gardnerella swidsinskii sp. nov., with delineation of 13 genomic species within the genus Gardnerella. 2019 69 3 679 687 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003200 30648938