Willén R., Carlén B., Wang X., Papadogiannakis N., Odselius R., & Wadström T. (2000). Morphologic Conversion of Helicobacter Pylori from Spiral to Coccoid Form: Scanning (SEM) and Transmission Electron Microscopy (TEM) Suggest Viability: Scanning (SEM) and transmission electron microscopy (TEM) suggest viability. Upsala Journal of Medical Sciences, 105(1), 31-40. https://doi.org/10.1517/03009734000000045