منابع مشابه
Cancer incidence among Minnesota taconite mining industry workers.
PURPOSE To evaluate cancer incidence among Minnesota taconite mining workers. METHODS We evaluated cancer incidence between 1988 and 2010 in a cohort of 40,720 Minnesota taconite mining workers used between 1937 and 1983. Standardized incidence ratios (SIRs) with 95% confidence intervals (CIs) were estimated by comparing numbers of incident cancers with frequencies in the Minnesota Cancer Sur...
متن کاملTobacco industry documents: comparing the Minnesota Depository and internet access.
OBJECTIVE To assess the comparability of searches conducted on two publicly available tobacco industry document collections: hard copies housed and maintained by a neutral party in the Minnesota Depository and electronic copies available through tobacco industry maintained websites. METHODS We conducted a set of searches in Minnesota and then conducted the same searches using the industry web...
متن کاملWorld at work: Marble quarrying in Tuscany.
S ince the beginning of the Christian era, the Apuanian Alps between the provinces of Massa Carrara and Lucca in Tuscany, have been a centre for the excavation of white marble, venato and arabescato, and Cardoso stone. Marble is a metamorphic rock composed of calcium carbonate with a quartz content of less than 1%. Cardoso stone (from the name of the village of Cardoso) is a dark grey metamorph...
متن کاملMortality experience among Minnesota taconite mining industry workers.
OBJECTIVE To evaluate the mortality experience of Minnesota taconite mining industry workers. METHODS Mortality was evaluated between 1960 and 2010 in a cohort of Minnesota taconite mining workers employed by any of the seven companies in operation in 1983. Standardised mortality ratios (SMR) were estimated by comparing observed deaths in the cohort with expected frequencies in the Minnesota ...
متن کاملThe tobacco industry and underage youth smoking: tobacco industry documents from the Minnesota litigation.
OBJECTIVE To learn how underage youth have been regarded by the major tobacco companies, as revealed in industry documents during the Minnesota litigation. DATA SOURCES Documents from Brown & Williamson Tobacco Corp, Lorillard Tobacco Co, Philip Morris Inc, and R. J. Reynolds Tobacco Co. STUDY SELECTION Documents available from the State of Minnesota and Blue Cross and Blue Shield of Minnes...
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ژورنال
عنوان ژورنال: Journal of Geography
سال: 1916
ISSN: 0022-1341,1752-6868
DOI: 10.1080/00221341608986880