1787
The findings showed that peripheral iron dextran overload increased the iron staining positive cells and reduced the number of TH - immunoreactive neurons in the SN .
 Chemical: iron dextran; Chemical: iron
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: iron dextran; Chemical: iron