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Contributions to Vital Statistics: being a development of the rate of mortality and the laws of sickness, from ... data procured from Friendly Societies ... With an inquiry into the influence of locality on health

Francis G. P. NEISON

出版	1857
URL	http://books.google.com.hk/books?id=9B5eAAAAcAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN