7 gif
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   5 5
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   4 7
   4 4
   4 2
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   3 9
   2 IFRAME
   2 10
   1 sciencenet
   1 sbnewscomm
   1 plus
   1 php
   1 nid
   1 newcomm
   1 mod
   1 m________________________________
   1 jpg
   1 iframelogin
   1 http
   1 html
   1 cn
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   1 _______________________________
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   1 RNA
   1 E
   1 Day
   1 DNA
   1 BMC
   1 80
   1 7200
   1 683
   1 5G
   1 526
   1 345758
   1 2020
   1 20195853858420
   1 2018
   1 2000
   1 12
   1 108
   1 08
   1 05