• publisher: Groningen : J. B. Wolters
  • creator: Van Heerkeren, W. Broes London School of Hygiene and Tropical Medicine
  • contributor: London School of Hygiene and Tropical Medicine.
  • Keyword: Smallpox. Electronic books.
  • years: 1865.
  • pages: 38 p. ;
  • language: dut
  • download: pdf file