{HEAD ~ Other fields}, such as {TAIL ~ physics} and biochemistry also provide a framework for the present invention 
such as
{ HEAD ~ Other fields } , such as { TAIL ~ physics } and biochemistry also provide a framework for the present invention
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH