This application provides {HEAD ~ methods} for identifying {TAIL ~ nucleic acid ligands} capable of covalently interacting with targets of interest 
This application provides { HEAD ~ methods } for identifying { TAIL ~ nucleic acid ligands } capable of covalently interacting with targets of interest
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH