منابع مشابه
Richard Doll 1912–2005
the differences of organic production. However, the exclusion of synthetic pesticides and fertilizers from organic systems is fundamental. Given this, the authors asked, why did the magnitude of differences in species density and abundance vary so much between the different groups they looked at? One factor may be the differential impacts of timing and special scales on the colonization traits ...
متن کاملRichard Doll (1912?2005)
Richard Doll was an epidemiologist and public figure in the twentieth and early twenty-first centuries. Working primarily at the University of Oxford [2], in Oxford, England, Doll established a definitive correlation between cigarette smoking and lung cancer. Furthermore, Doll?s work helped legitimize epidemiology as a scientific discipline. Doll?s research also helped establish modern guidelin...
متن کاملDev121095 1912..1917
The endoderm gives rise to diverse tissues and organs that are essential for the homeostasis and metabolism of the organism: the thymus, thyroid, lungs, liver and pancreas, and the functionally diverse domains of the digestive tract. Classically, the endoderm, the ‘innermost germ layer’, was in the shadow of the ectoderm and mesoderm. However, at a recent Keystone meeting it took center stage, ...
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ژورنال
عنوان ژورنال: Geologische Rundschau
سال: 1913
ISSN: 0016-7835,1437-3262
DOI: 10.1007/bf01774669