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