Each SCREENING TEST

	must be for one and only one PERSON
	or must be related to one and only one PERSON IN A SCREENING PROGRAMME
	may be related to one or more REFERRAL FOR BIOPSY
	may be related to one or more REFERRAL FOR BREAST ASSESSMENT
	may be related to one or more REFERRAL FOR BREAST TREATMENT
	may be related to one and only one REFERRAL FOR SCREENING TEST
	may be the reason for one or more REFERRAL REQUEST
	may be if on a cervical smear related to one or more REQUEST FOR PATHOLOGY INVESTIGATION
	may be related to one or more SCREENING TEST INVITATION