Each DRUG MISUSE EPISODE

K	must be related to one and only one DRUG MISUSE FACILITY
	must be for one and only one DRUG MISUSER
	must be associated as one and only one SERVICE
	must be related to one or more SUBSTANCE MISUSED
	may be if contact by a community psychiatric nurse, within one and only one COMMUNITY EPISODE
	may be related to one or more DRUG MISUSER PRESCRIBING PLAN