"the current outbreak is concentrated in the city of wuhan in central china, and is sporadic in other places, meaning it is still a regional outbreak," said zhong nanshan, a renowned respiratory expert and head of a high-level expert team of the national health commission (nhc)....
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to the plant by the action of soil micro-organisms nitrogen self-sufficiency through the use of legumes and biological nitrogen fixation, as well as effective recycling of organic materials including crop residues and livestock manures weed, disease and pest control relying primarily on crop rotations...
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point (the border between the areas of sma and ima supplies), which lies at the splenic flexure the colon receives blood from both the superior and inferior mesenteric arteries . the blood supply from these two major arteries overlap, with abundant collateral circulation via the marginal artery of the...
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by the world trade organization (wto) within the framework of the sanitary and phytosanitary (sps) agreement. in 2013 the oie had a total of 178 member countries. the collaborating centres oie collaborating centres are centres of expertise in a specific designated sphere of competence relating to the...