7784
OBJECTIVE : To describe a case of cefazolin - induced leukopenia in a critically ill patient who developed this adverse reaction upon rechallenge with cefoxitin .
 adverse effect: leukopenia, cefazolin
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  leukopenia, cefazolin 
Answer:
 adverse effect: leukopenia, cefazolin