Search Results - "Periodontal diseases."

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  1. 1

    Epidemiology, etiology, and prevention of periodontal diseases : report of a WHO Scientific Group.

    Published 1978
    Subjects: “…Periodontal diseases Prevention.…”
    Book
  2. 2

    Recent advances in oral health : report of a WHO expert committee.

    Published 1992
    Subjects:
    Book