Each HOSPITAL PROVIDER SPELL

K	must be related to one and only one PATIENT
	may be related to one and only one DECISION TO ADMIT
	or may be related to one and only one ELECTIVE ADMISSION LIST ENTRY
	must be provided by one and only one HOSPITAL PROVIDER
	may be related to one or more ADMINISTRATIVE CATEGORY IN SPELL
	may be the hospital spell for one or more CARE EPISODE
	may be related to one or more CARE HOME STAY (CONSULTANT CARE)
	may be related to one or more HOME LEAVE
	may be related to one or more HOSPITAL STAY
	may be related to one or more LODGED PATIENT
	may be related to one or more NEONATAL LEVEL OF CARE PERIOD
	may be related to one and only one PREGNANCY EPISODE
	may be related to one or more WARD STAY