Each REFERRAL REQUEST

K	must be related to one and only one PATIENT
	must be a referral to one and only one CONSULTANT
	or must be a referral to one and only one SERVICE POINT
	must be made by one and only one CARE PROFESSIONAL
	or must be made by one and only one ORGANISATION
	may be the initiator of one or more CANCER CARE SPELL
	may be associated with one or more CANCER CARE SPELL DELAY
	may be related to one and only one LOCAL SUB-SPECIALTY
	may be associated with one or more OUT-PATIENT REFERRAL STATUS
	may be related to one or more PLANNED SERVICE TO BE PROVIDED
	may be subsequent to an original one and only one REFERRAL REQUEST
	may be a referral with subsequently one or more REFERRAL REQUEST
	may be a request for colposcopy from one and only one SCREENING TEST
	may be the initiator of one or more SERVICE
	may be related to one or more TRANSPORT REQUIREMENT
	may be related to one and only one TREATMENT FUNCTION