In another aspect, the invention provides methods for producing {HEAD ~ the transgenic non human animals} of {TAIL ~ the invention} 
of
In another aspect , the invention provides methods for producing { HEAD ~ the transgenic non human animals } of { TAIL ~ the invention }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL