{TAIL ~ This ID number} can be used to provide references and links to {HEAD ~ other relevant documents} as well 
{ TAIL ~ This ID number } can be used to provide references and links to { HEAD ~ other relevant documents } as well
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH