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