@misc{indiciae61bc286207d0, title = {Continual highly significant decrease in caries prevalence among 14-year-old Norwegians.}, author = {J M Birkeland and J Bragelien}, year = {1987}, doi = {10.3109/00016358709098851}, url = {https://pubmed.ncbi.nlm.nih.gov/3475946/}, note = {Source identifier: 3475946} }