{HEAD ~ The resulting odd electron sample cation} or {TAIL ~ anion} can then be analyzed by an appropriate technique, such as, for example, a mass spectrometer 
{ HEAD ~ The resulting odd electron sample cation } or { TAIL ~ anion } can then be analyzed by an appropriate technique , such as , for example , a mass spectrometer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH