12055
We report 2 cases of maculopapular eruption and fever in patients infected with human immunodeficiency virus ( HIV ) on the 2nd day of first administration of ritonavir , a protease inhibitor .
 fever, ritonavir; maculopapular eruption, ritonavir
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 fever, ritonavir; maculopapular eruption, ritonavir