6965
Although several compounds showed high potency when assayed against Plasmodium falciparum K1 in human erythrocytes , a clear correlation between the enzyme inhibition constants and P . falciparum inhibition concentrations could not be found .
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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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