1919. Does influenza confer immunity? Abstr. in Jour. Am. Med. Ass. Ibid., 529.
Selter, H.
1918. Zur Aetiologie der Influenza. Deutsch. Med. Woch, XLIV, 932.
Sherman, C. L.
1913. Common infections that are often erroneously diagnosed as grip. Jour. Am. Med. Ass., LXI, 1567.
Siciliano, L.
1919. Qualche osservazione sull’epidemiologia dell’influenza. Riv. crit. di Clin. Med. Firenze, XX, 97.
Silvestri, I.
1919. Quinine, malaria and influenza. Abst. in Jour. Am. Med. Ass., LXXIII, 304.
Small, W. D. D.