527
PATIENTS : 14 patients seen over a 3 - year period in whom heparin - induced thrombocytopenia became apparent on delayed presentation with thromboembolic complications .
 Chemical: heparin; Disease: thrombocytopenia; Disease: thromboembolic
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: thromboembolic