19219
The plasma - placenta transfer could be quantified , revealing a transfer fraction of 11 % to 25 % ( with a significant influence of time span between maternal nevirapine intake and birth ) and a high transfer rate constant from maternal drug administration .
 Chemical: nevirapine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: nevirapine 
Answer:
 Chemical: nevirapine