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HAGGERT (Sidney). Focal infection. — The Dental Science Journal of Australia, tome 8, No 2.

HARNDT. Histo-bacteriologische Studien bei Periodontitis chronica granulomatosa. — Korrespondenzblatt fûr Zahnärzte. 50. Jahrg., Heft 2.

HARTZELL. The clinical type of arthritis originating about the teeth. — Journal Am. Med. Association, Sept. 1925.

HARTZELL et HENRICI The dental pathology. Its importance as anavenué to infection. — Surgery-Gynecology and obstetrie, Janv. 1916, p. 18 ; Mineapolis.

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HARVEY, LE FAIRE et HESELTON. Blood count Cells in dental infections and derivation from them of a numeral health index. — Journ. of the Americ. dental Assoc. Huntington 1926, XIII, p. 331, 336.

HILLE. Betrachtungen zum Thema Fokalinfektion und Nutzanwendungen daraus. — Zahnärztliche Rundschau,