An explanation of the causes why vaccination has sometimes failed to prevent smallpox
Subtitle: and also a description of a method .
Contributors: University of Leeds. Library
Publisher: T. Underwood
Published: 1812
Place of publication: London
Language: eng
Number of pages: 80
Notes: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

The University of Leeds Library.