Each LEAVE
| K | must be taken by one and only one PATIENT |
| may be taken from one and only one ORGANISATION | |
| or may be taken from one and only one WARD | |
| may be taken from one and only one ACTIVITY GROUP |
Classes
| K | must be taken by one and only one PATIENT |
| may be taken from one and only one ORGANISATION | |
| or may be taken from one and only one WARD | |
| may be taken from one and only one ACTIVITY GROUP |
