Following this, the sample is tested for {HEAD ~ the presence} or absence of at least one specific nucleic acid sequence using {TAIL ~ nucleic acid hybridization methods} and a labeled nucleic acid probe 
Following this , the sample is tested for { HEAD ~ the presence } or absence of at least one specific nucleic acid sequence using { TAIL ~ nucleic acid hybridization methods } and a labeled nucleic acid probe
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH