A rule processing method includes defining {TAIL ~ a target group} of patients chosen from {HEAD ~ a group} of existing patients 
A rule processing method includes defining { TAIL ~ a target group } of patients chosen from { HEAD ~ a group } of existing patients
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH