2047
Heparin - induced thrombocytopenia ( HIT ) is an adverse immune - mediated reaction to heparin , resulting in platelet count decreases of more than 50 % .
 Chemical: Heparin; Disease: thrombocytopenia; Disease: HIT; Chemical: heparin
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; Disease: HIT; Chemical: heparin