19221
Simulations revealed that newborns born early ( < 1 hour ) after maternal nevirapine intake would benefit from a 3 - fold higher nevirapine dosage ( 6 mg / kg ) after birth for analogous protective plasma concentrations over the first 2 weeks .
 nevirapine, nevirapine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 nevirapine, nevirapine