Practical directions to the preservation of health.
Evans
Alun
A
Department of Epidemiology and Public Health, Queen's University Belfast, Mulhouse Building, RVH, Belfast BT12 6BJ, Northern Ireland, UK. a.evans@qub.ac.uk
D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D015980:Public Health Practice / Q000266:history*; D006113:United Kingdom