Prescription for periodontal health
Contributors: National Institute of Dental Research (U.S.)
Publisher: National Institute of Dental Research, U.S. Dept. of Health and Human Services, Public Health Service
Published: 1986
Place of publication: [Bethesda, Md.?]
Language: eng
Subjects: Periodontal disease; Periodontal disease -- Prevention
Notes: "A new free-loan film from the National Institute of Dental Research."

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