Variable | Year | Supplement |
---|---|---|
WHPD99_1 | 1990 | Assistive devices |
WHPD99_2 | 1990 | Assistive devices |
WHPD99_3 | 1990 | Assistive devices |
WHPD99_4 | 1990 | Assistive devices |
WHPD99_5 | 1990 | Assistive devices |
WHPD99_6 | 1990 | Assistive devices |
WHPD99_7 | 1990 | Assistive devices |
WHPD99_8 | 1990 | Assistive devices |
WHPD99_9 | 1990 | Assistive devices |