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