Defining a target group of {HEAD ~ patients} may include processing the medical records of the existing patients to determine which of the medical records define the existence of {TAIL ~ a selected condition}, such as a medical condition, physical criteria, habit, or activity of a patient 
Defining a target group of { HEAD ~ patients } may include processing the medical records of the existing patients to determine which of the medical records define the existence of { TAIL ~ a selected condition } , such as a medical condition , physical criteria , habit , or activity of a patient
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH