In {HEAD ~ a CMOS bandgap reference circuit}, {TAIL ~ the respective collectors} of two lateral parasitic NPN transistors are connected to the two nodes of a current mirror 
In { HEAD ~ a CMOS bandgap reference circuit } , { TAIL ~ the respective collectors } of two lateral parasitic NPN transistors are connected to the two nodes of a current mirror
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH