Therefore, better AR inhibitors with more potent antagonistic activities and minimal agonistic activities are needed to delay {TAIL ~ disease progression} and to treat {HEAD ~ the fatal hormone refractory prostate cancer} 
Therefore , better AR inhibitors with more potent antagonistic activities and minimal agonistic activities are needed to delay { TAIL ~ disease progression } and to treat { HEAD ~ the fatal hormone refractory prostate cancer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD