Participation rates, quality of sampling frames and sampling fractions in the MONICA surveys

Wolf, Hermann K.

Kuulasmaa, Kari

Tolonen, Hanna

Ruokokoski, Esa

National Institute for Health and Welfare THL

1998

Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe19991076
WHO MONICA Project e-publications : No. 5