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readers are provided with such favorites as Chaco Canyon and new treasures such as Sears Kay Ruin
and hospitals can be difficult for people with dementia
social and political change
a psychologist who is both a scientist and a peacemaker
advance research
Vaccination Against Smallpox Graham Firth readers are provided with suchThe once dreaded scourge of smallpox has been eradicated through barrier immunisation. The eminent scientist Edward Jenner (1749 1823) was a pioneer in demonstrating that vaccination was an effective means of preventing smallpox. In the three groundbreaking treatises contained in this volume, originally published between 1798 and 1800, Jenner summarises his evidence in favour of vaccination and describes individual cases.
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