摘要：This chapter outlines the way in which the problems of obtaining and assessing population-related material and analysing the data were tackled. Some of the limits of the approach used, namely, the examination of nearly all deaths from several demographically defined communities, are discussed. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (1.4M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 489 490 491 492 493 494 495 496 497 498 499
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