{HEAD ~ The lead} may be introduced through the subclavian vein, with {TAIL ~ the distal end} folded back against the remainder of the lead body 
introduced with
{ HEAD ~ The lead } may be introduced through the subclavian vein , with { TAIL ~ the distal end } folded back against the remainder of the lead body
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH