Clifford, E. L. (1894). Infection from the Mouth: Read in the Section on Dental and Oral Surgery, at the Forty-fourth Annual Meeting of the American Medical Association. Dent Regist.

Clifford, E. L. "Infection From the Mouth: Read in the Section On Dental and Oral Surgery, At the Forty-fourth Annual Meeting of the American Medical Association." Dent Regist 1894.

Clifford, E. L. "Infection From the Mouth: Read in the Section On Dental and Oral Surgery, At the Forty-fourth Annual Meeting of the American Medical Association." Dent Regist 1894.