@article{122883, recid = {122883}, title = {Examination and diagnosis of periodontal disease.}, publisher = {U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration, Bureau of Health Resources Development, Division of Dentistry : for sale by the Supt. of Docs., U.S. Govt. Print. Off.,}, address = {[Bethesda, Md.] :}, pages = {2 v. :}, year = {1974}, url = {http://library.usi.edu/record/122883}, }