5641
A snake C - type lectin - like ( snaclec ) and a type P - III hemorrhagic SVMP were isolated and characterized from this venom , and the effect of venom and the isolated snaclec on human platelet aggregation was studied in vitro .
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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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