{TAIL ~ A cardiac pacemaker}, defibrillator, or {HEAD ~ other programmable medical device} includes a source unit and a collection unit  
{ TAIL ~ A cardiac pacemaker } , defibrillator , or { HEAD ~ other programmable medical device } includes a source unit and a collection unit
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH