@misc{indiciae37d8ac9f3343, title = {The relationship between extracellular polysaccharide-producing streptococci and smooth surface caries in 13-year-old children.}, author = {J D De Stoppelaar and J Van Houte and O Backer Dirks}, year = {1969}, doi = {10.1159/000259582}, url = {https://pubmed.ncbi.nlm.nih.gov/5267921/}, note = {Source identifier: 5267921} }