{HEAD ~ The holders} can be stored within {TAIL ~ sterile packages} for use whenever convenient to the surgeon 
{ HEAD ~ The holders } can be stored within { TAIL ~ sterile packages } for use whenever convenient to the surgeon
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH