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OBJECTIVE : To describe and increase awareness of a clinical scenario in which the onset or manifestations of heparin - induced thrombocytopenia are delayed .
 Chemical: heparin; Disease: thrombocytopenia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: heparin; Disease: thrombocytopenia