22157
In this study , we investigated the effects of astaxanthin on transforming growth factor beta 1 - mediated and bleomycin - induced pulmonary fibrosis in vitro and in vivo .
 Chemical: astaxanthin; Chemical: bleomycin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: astaxanthin, bleomycin 
Answer:
 Chemical: astaxanthin; Chemical: bleomycin