Each DRUG MISUSER

K	must be on a database maintained by one and only one DRUG MISUSE AGENCY
	may be subject of one or more DRUG MISUSE EPISODE
	may be responsible for one or more DRUG MISUSER DEPENDENT CHILD
	may be if not living alone, related to one or more DRUG MISUSER LIVING WITH
	may be resident in the geographical area of one and only one PRIMARY CARE TRUST