1173
Based on the ratios of the areas under the concentration - time curves in CSF and serum , the overall penetration of rifampicin into CSF was 0 . 13 - 0 . 42 ( median = 0 . 22 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None