(2013). Periodontal (gum) disease: Casues, symptoms, and treatments. U.S. Department of Health and Human Services, National Institutes of Health, National Institute of Dental and Craniofacial Research.
Chicago Style (17th ed.) CitationPeriodontal (gum) Disease: Casues, Symptoms, and Treatments. Bethesda, MD: U.S. Department of Health and Human Services, National Institutes of Health, National Institute of Dental and Craniofacial Research, 2013.
MLA (9th ed.) CitationPeriodontal (gum) Disease: Casues, Symptoms, and Treatments. U.S. Department of Health and Human Services, National Institutes of Health, National Institute of Dental and Craniofacial Research, 2013.
Warning: These citations may not always be 100% accurate.