1882
Alternating sinus rhythm and intermittent sinoatrial block induced by propranolol .
 Alternating sinus rhythm, propranolol; intermittent sinoatrial block, propranolol
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:
 Alternating sinus rhythm, propranolol; intermittent sinoatrial block, propranolol