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Variation in Type of Infectious Disease as Shown by the History of Smallpox in the United States 1895-1912
Notes and References
This item contains 3 references.
1Proc. Roy. Soc. Med., 1908, 1, Epidem. Sec, p. 229.
1Lancet, 1903, 1, p. 1248.
2Bull. soc. path, exot., Par., 1911, 4, p. 35.