10860
Eighty - two patients with various malignancies who received imipenem / cilastatin 143 times for neutropenic fever between March 1994 and October 1999 in Department of Pediatric Oncology , Gazi University , were identified .
 adverse effect: neutropenic fever, cilastatin; adverse effect: neutropenic fever, imipenem
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:  neutropenic fever, cilastatin; neutropenic fever, imipenem 
Answer:
 adverse effect: neutropenic fever, cilastatin; adverse effect: neutropenic fever, imipenem