23243
Studies were included if provided ( 1 ) a finite list of anticholinergic drugs ; ( 2 ) a grading score of anticholinergic potency and , ( 3 ) a validation in a clinical or experimental setting .
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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:
 None