Attention
You are using Internet Explorer. Content will likely not be displayed correctly. Please switch to a different Browser to use this site.
twins: frequency of the topic of twins (t,u, <=9 yr)
[tst0900]
| Label | Variable |
|---|
| Label | Instrument |
|---|
You are using Internet Explorer. Content will likely not be displayed correctly. Please switch to a different Browser to use this site.
[tst0900]
| Label | Variable |
|---|
| Label | Instrument |
|---|