Hampp, E.G., and Mergenhagen, S.E. : Experimental Intracutaneous Infection With Oral Spirochetes, Bact. Proc. 1959: 101, 1959 .
2.
Mergenhagen, S.E., Thonard, J.C., and Scherp, H.W.: Studies on Synergistic Infections. I. Experimental Infections With Anaerobic Streptococci, J. Infect. Dis. 103: 33, 1958.
3.
Berger, U.: Über Hyaluronidasebildung durch "saprophytische" Treponemen, Zentralbl. Bakt. 165: 563, 1956.
4.
Dewar, M.R.: Bacterial Enzymes and Periodontal Disease, J. D. Res. 37: 100, 1958.
5.
Hampp, E.G., Scott, D.B., and Wyckoff, R.W.G.: Morphologic Characteristics of Certain Cultured Strains of Oral Spirochetes and Treponema pallidum as Revealed by the Electron Microscope, J. Bact. 56: 755, 1948.
6.
Fitzgerald, R.J. , and Hampp, E.G.: Inhibition of Oral Spirochetes by Antibiotic Agents In Vitro, J. D. Res. 31: 20, 1952.
7.
Hampp, E.G., and Nevin, T.A.: The Substitution of Known Compounds for Ascitic Fluid in the Cultivation of Borrelia vincentii, J. Bact. 77: 800, 1959.
8.
Schultz-Haudt, S.D., and Scherp, H.W.: Production of Chondrosulfatase by Microorganisms Isolated From Human Gingival Crevices, J. D. Res. 34: 725, 1955.
9.
Tolksdorf, S. , McCready, M.H., McCullogh, R.D., and Schwenk, E.: The Turbidimetric Assay of Hyaluronidase , J. Lab. & Clin. Med. 34: 74, 1949.
10.
Hampp, E.G.: Isolation and Identification of Spirochetes Obtained From Unexposed Canals of Pulp-Involved Teeth, Oral Surg. 10: 1100, 1957 .
11.
Hoffman, H.: Biology of the Oral Spirochetes: A Review, Oral Surg. 2: 925, 1949.
