TY  - RPRT
TI  - Chemotactic activity in experimental gingivitis.
AU  - L Helldén
AU  - K E Kahnberg
PY  - 1973
DO  - 10.1111/j.1600-0722.1973.tb00346.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4587168/
ID  - 4587168
ER  -