92
While much work has already occurred in estimating the impact of chemical weapons ( due to the dual use in chemical spill management from transportation and industrial accidents ) , or in nuclear power plant accident management , much less research and development has gone into estimating the impact on our civilian population of a nuclear weapon detonation from a terrorist incident in a large urban area .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
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