In the research for {HEAD ~ more potent antagonists} of {TAIL ~ the luteinizing hormone releasing hormone} , new peptides with emphasis on arginine in position 8 were designed, synthesized and tested for anti ovulatory activity  
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In the research for { HEAD ~ more potent antagonists } of { TAIL ~ the luteinizing hormone releasing hormone } , new peptides with emphasis on arginine in position 8 were designed , synthesized and tested for anti ovulatory activity
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH