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Thus , in addition to financing research and development laboratories , resources were invested in clinical trials and in the development of a virtual platform termed the Virtual System to Support Clinical Research ( SAVPC ) ; this platform imparts speed , reliability and visibility to advances in product development , fostering interactions among sponsors , physicians , students and , ultimately , the research subjects themselves .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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