@misc{indiciae593c4cad66e2, title = {Chemotactic activity in experimental gingivitis.}, author = {L Helldén and K E Kahnberg}, year = {1973}, doi = {10.1111/j.1600-0722.1973.tb00346.x}, url = {https://pubmed.ncbi.nlm.nih.gov/4587168/}, note = {Source identifier: 4587168} }