532
On readmission , 11 patients received therapeutic heparin , which worsened the patients ' clinical condition and , in all 11 cases , decreased the platelet count ( mean at readmission , 143 x 10 ( 9 ) cells / L ; mean nadir after heparin re - exposure , 39 x 10 ( 9 ) cells / L ) .
 Chemical: heparin; 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; Chemical: heparin