@misc{indiciaeb6f8bd35c875, title = {[An attempt to decrease periodontal diseases. A scenario-experiment].}, author = {R C Burgersdijk and J Advokaat and G J Truin and E M Bronkhorst}, year = {1989}, url = {https://pubmed.ncbi.nlm.nih.gov/2635276/}, note = {Source identifier: 2635276} }