9996
A case of propranolol overdose complicated by esophageal spasm preventing extrication of an orogastric lavage tube and relieved by intravenous glucagon is presented .
 esophageal spasm, 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:
 esophageal spasm, propranolol