77 patients from rural districts , 48 of whom allergic to their own house dust , and 29 controls , were tested with mite extracts from dermatophagoides pteronyssimus , d. farinae , chortoglyphus arcuatus , acarus siro , glycyphagus destructor and tyrophagus putrescentiae , and a house dust extract .
C0524581
house dust
C0981911
house dust extract