Do you have gum disease?
APA Citation
National Institute of Dental Research (U.S.). Epidemiology and Oral Disease Prevention Program. (1987). Do you have gum disease? [Bethesda, Md.: Epidemiology and Oral Disease Prevention Program, National Institute of Dental Research, National Institutes of Health.
MLA Citation
National Institute of Dental Research (U.S.). Epidemiology and Oral Disease Prevention Program. Do You Have Gum Disease? [Bethesda, Md.: Epidemiology and Oral Disease Prevention Program, National Institute of Dental Research, National Institutes of Health, 1987.
Warning: These citations may not always be complete (especially for serials).