1. Paper I Effect of Silica Nano-spheres on Adhesion of Oral Bacteria and Human Hibroblasts
2. P. Kallas, H. Kang, H. Valen, H.J. Haugen, M. Andersson, M. Hulander
3. Biomaterial Investigations in Dentistry, 2020, 7(1), 134–145.
4. Paper II Adhesion of Escherichia coli to Nanostructured Surfaces and the Role of Type 1 Fimbriae
5. P. Kallas, H.J. Haugen, N. Gadegaard, J. Stormonth-Darling, M. Hulander,