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Here , we created a database , the Worm Developmental Dynamics Database ( http : / / so . qbic . riken . jp / wddd / ) , which stores a collection of quantitative information about cell division dynamics in early Caenorhabditis elegans embryos with single genes silenced by RNA - mediated interference .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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