1178
Patients were randomly allocated to receive amoxicillin - clavulanic acid ( 2 . 2 g ) [ Group A ] or cefazolin ( 2 g ) [ Group B ] as a single dose 30 minutes before surgery .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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