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