20251
In medicine , RIPs have been linked to , or fused with , appropriate antibodies or other carriers to form " immunotoxins " or other conjugates specifically toxic to the cells target of the carrier , with the aim of eliminating malignant or other undesired cells .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None