Where used:
| Class | TOBACCO USAGE | has an attribute CIGARETTES PER DAY |
| Data Element | CIGARETTES PER DAY | references in description CIGARETTES PER DAY |
| Data Element | CIGARETTES PER DAY | is the data element of CIGARETTES PER DAY |
| Data Element | CIGARETTES PER DAY (MOTHER AT BOOKING) | references in description CIGARETTES PER DAY |
| Data Element | CIGARETTES PER DAY (MOTHER AT BOOKING) | is the data element of CIGARETTES PER DAY |