5277
An elderly man with procainamide hydrochloride - induced lupus syndrome had a circulating anticoagulant against factor XI and a biologic false - positive ( BFP ) test result for syphilis .
 lupus syndrome, procainamide hydrochloride
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:
 lupus syndrome, procainamide hydrochloride