22960
It may be concluded that with poloxamer mixtures at specific concentrations , addition of HPMC and use of heparin / chitosan nanocomplexes dispersions , thermoreversible formulations for prolonged subcutaneous release of heparin are feasible .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None