1. William Hunter's oral sepsis and American odontology;Francke;Bull Hist Dent.,1973
2. Focal infection;Neuman;J Dent Res.,1996
3. Chronic focal infections and their etiologic relations to arthritis and nephritis;Billings;Arch Int Med.,1912
4. Systemic effects of periodontal disease;Scannapieco;Dent Clin North Am.,2005
5. Periodontal inflammation: From gingivitis to systemic disease?;Scannapieco;Comp Cont Educ Dent.,2004