Archives of Oral Biology · 1984 · 30 citations · 19 references
DentistryPeriodonticsPeriodontologyPeriodontal BiologyPeriodontal PathogenesisPeriodontal DiseasePeriodontal HealthPeriodontal ImmunologyPeriodontal InflammationPeriodontal Infections
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Robert C. Allen, R. Stjernholm, Richard Steele · Biochemical and Biophysical Research Communications · 1972 · 959 citations
The Periodontal Disease Index (PDI)
Sigurd P. Ramfjord · The Journal of Periodontology · 1967 · 452 citations · Full text
Defective polymorphonuclear leukocyte function in a human periodontal disease
L. J. Cianciola, Robert J. Genco, Mark R. Patters et al. · Nature · 1977 · 380 citations