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本帖最后由 细胞海洋 于 2014-4-14 07:55 编辑 ; g, y5 e1 Z) ~/ Z$ |8 H3 d; W# a
& ^# ^" u& O$ O2 }+ C2014年4月11日 Science
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0 s& p9 C0 w |* vCOVER A sugar cane cutter near the town of El Paisnal, El Salvador, at dawn. Agricultural workers in El Salvador and many neighboring countries have been suffering from a chronic kidney disease that has no obvious cause, but many researchers believe it is linked to heat and dehydration. See page 143. Photo: Malcolm Linton, m( Y/ U6 F4 |8 }' D
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发表于 2014-4-12 23:05
