{HEAD ~ The present invention} relates to {TAIL ~ immunogenic preparations} of peptides comprising amino acid sequences corresponding to antigenic determinants of the envelope glycoprotein of HIV, covalently coupled, directly or through a spacer molecule, to carrier molecules suitable for vaccination of mammals 
relates to
{ HEAD ~ The present invention } relates to { TAIL ~ immunogenic preparations } of peptides comprising amino acid sequences corresponding to antigenic determinants of the envelope glycoprotein of HIV , covalently coupled , directly or through a spacer molecule , to carrier molecules suitable for vaccination of mammals
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH