| Literature DB >> 4254175 |
R M Davies, S B Jensen, C R Schiott, H Löe.
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Year: 1970 PMID: 4254175 DOI: 10.1111/j.1600-0765.1970.tb00699.x
Source DB: PubMed Journal: J Periodontal Res ISSN: 0022-3484 Impact factor: 4.419