522
BACKGROUND : Heparin - induced thrombocytopenia presents 5 to 12 days after heparin exposure , with or without arterial or venous thromboemboli .
 Chemical: Heparin; Disease: thrombocytopenia; Chemical: heparin; Disease: arterial or venous thromboemboli
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; Chemical: heparin; Disease: arterial or venous thromboemboli