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a study with rat dams
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waldenpond

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Originally posted by clearsky7228 at 2010-04-12 10:22:19:
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sirljz(½ð±Ò+1):лл½»Á÷ 2010-04-12 15:01
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Àý¾ä£º15 rat dams were divided into 2 groups: selenium treated group drank water containing 2 ppm selenium during pregnancy and breast-feeding period, control group drank tap water.  
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