1919. Deutsche Med. Woch., XLV, 471.

Office International d’Hygiène Publique.

1918. X, also Jan. and Feb., 1920, XII.

Opie, Freeman, Blake, Small and Rivers.

1919. Pneumonia at Camp Funston. Report to Surgeon General. Jour. Am. Med. Ass., LXXII, 108.

1919. Pneumonia following influenza at Camp Pike, Ark. Ibid., 556.

Orticoni, A., Barbié and Angé.

1919. Pathogenesis of influenza. Abst. in Jour. Am. Med. Ass., LXXIII, 69.

Ovazza, V. E.

1919. Prophylaxis of influenza. Abst. in Jour. Am. Med. Ass., LXXII, 1335.