1638
Mouse osteoblasts were cultured with and without HGC , and incubated in a medium with or without testosterone , pioglitazone or rosiglitazone .
 Chemical: testosterone; Chemical: pioglitazone; Chemical: rosiglitazone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: testosterone; Chemical: pioglitazone; Chemical: rosiglitazone