19351
Airway resistance ( Raw ) was measured by the forced oscillation technique , differential cell count in BAL fluid ( BALF ) was measured by Wright - Giemsa staining , histological assessment was measured by hematoxylin and eosin ( HE ) staining , BALF levels of Treg / Th17 cytokines were measured by enzyme - linked immunosorbent assay , Treg cells and Th17 cells were evaluated by flow cytometry ( FCM ) .
 Chemical: hematoxylin; Chemical: eosin
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: hematoxylin; Chemical: eosin