2396
The clinical tolerance and pharmacokinetics of FCE 22101 ( sodium ( 5R , 6S ) - 6 - [ ( 1R ) - hydroxyethyl ] - 2 - carbamoyloxymethyl - 2 - penem - 3 - carboxylate ) , a new penem antibiotic , have been studied after giving a single i . v . dose of 4 mg . kg - 1 to ten healthy male volunteers .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
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