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Befragung (3) |
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cross-sectional study (2) |
data capture (4) |
data collection method (3) |
data preparation (3) |
aging (4) |
Alter (4) |
alter Mensch (4) |
Altern (4) |
Befragung (3) |
Bundesrepublik Deutschland (4) |
cross-sectional study (2) |
data capture (4) |
data collection method (3) |
data preparation (3) |