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