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Potentials and prospects of the steel‐ and lightweight steel structures with existing buildings. To achieve a sustainable urban and spacial development the focus currently lies on the urban concentration, modernization and redevelopment of existing building stock. This especially opens up opportunities for (lightweight) steel construction, since steel has considerable advantages in comparison with...
Africa has contributed substantial knowledge to the understanding of certain risk factors for cancer, such as the role of several infectious agents (eg, viruses, bacteria, and parasites), aflatoxins, and certain lifestyle factors. Although the relative importance of many lifestyle factors is becoming better understood in developed countries, more work is needed to understand the importance of these...
Cancer is an under-emphasised issue in Africa, partly because of the overwhelming burden of communicable diseases. However cancer is a common disease in Africa with 650 000 people, of a population of 965 million, diagnosed annually. Furthermore, the lifetime risk in females (between 0 and 64 years) of cancer is about 10%, which is only about 30% lower than the risk in developed countries. In females,...
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