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