3409
Management consists of cessation of heparin , platelet anti - aggregating agents , and alternate forms of anticoagulation when indicated .
 Chemical: heparin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: heparin 
Answer:
 Chemical: heparin