Such compositions can be used in a manner similar to {HEAD ~ dust mite} extracts to treat or prevent {TAIL ~ allergic reactions} to a dust mite allergen in a subject 
to treat
Such compositions can be used in a manner similar to { HEAD ~ dust mite } extracts to treat or prevent { TAIL ~ allergic reactions } to a dust mite allergen in a subject
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH