@misc{indiciaed5610a271c05, title = {[A new periodontal chart adapted to practice and electronic data processing].}, author = {W D Grimm and H G Schneider and H Nossek and K Gäbler}, year = {1976}, url = {https://pubmed.ncbi.nlm.nih.gov/785706/}, note = {Source identifier: 785706} }