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Radiographs in clinical periodontal trials.
Kelly GP, Cain RJ, Knowles JW, Nissle RR, Burgett FG, Shick RA, Ramfjord SP. Kelly GP, et al. Among authors: knowles jw. J Periodontol. 1975 Jul;46(7):381-6. doi: 10.1902/jop.1975.46.7.381. J Periodontol. 1975. PMID: 1057001 Free article.
Results following three modalities of periodontal therapy.
Ramfjord SP, Knowles JW, Nissle RR, Burgett FG, Shick RA. Ramfjord SP, et al. Among authors: knowles jw. J Periodontol. 1975 Sep;46(9):522-6. doi: 10.1902/jop.1975.46.9.522. J Periodontol. 1975. PMID: 1057645 Free article. Clinical Trial.
Longitudinal study of periodontal therapy.
Ramfjord SP, Knowles JW, Nissle RR, Shick RA, Burgett FG. Ramfjord SP, et al. Among authors: knowles jw. J Periodontol. 1973 Feb;44(2):66-77. doi: 10.1902/jop.1973.44.2.66. J Periodontol. 1973. PMID: 4509540 Free article. No abstract available.
Results of periodontal therapy related to tooth type.
Ramfjord SP, Knowles JW, Morrison EC, Burgett FG, Nissle RR. Ramfjord SP, et al. Among authors: knowles jw. J Periodontol. 1980 May;51(5):270-3. doi: 10.1902/jop.1980.51.5.270. J Periodontol. 1980. PMID: 6929913 Free article.
Tooth mobility and periodontal therapy.
Fleszar TJ, Knowles JW, Morrison EC, Burgett FG, Nissle RR, Ramfjord SP. Fleszar TJ, et al. Among authors: knowles jw. J Clin Periodontol. 1980 Dec;7(6):495-505. doi: 10.1111/j.1600-051x.1980.tb02156.x. J Clin Periodontol. 1980. PMID: 6938529 Free article.
Oral hygiene and maintenance of periodontal support.
Ramfjord SP, Morrison EC, Burgett FG, Nissle RR, Shick RA, Zann GJ, Knowles JW. Ramfjord SP, et al. Among authors: knowles jw. J Periodontol. 1982 Jan;53(1):26-30. doi: 10.1902/jop.1982.53.1.26. J Periodontol. 1982. PMID: 6948947 Free article.
199 results