522
Transient cardiac arrhythmias related to lopinavir / ritonavir in two patients with HIV infection .
 Transient cardiac arrhythmias, lopinavir; Transient cardiac arrhythmias, 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:
 Transient cardiac arrhythmias, lopinavir; Transient cardiac arrhythmias, ritonavir