762
The pharmaceutical company producing Halfan has reported 8 cardiac arrests , leading to 6 deaths , when a higher dose than recommended was used , there was recent or concomitant treatment with mefloquine , there was pre - existing prolongation of the QT interval or the patient had a thiamine deficiency .
 cardiac arrests, Halfan; cardiac arrests, mefloquine; deaths, Halfan; deaths, mefloquine
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:
 cardiac arrests, Halfan; cardiac arrests, mefloquine; deaths, Halfan; deaths, mefloquine