case base studies
case compeer studies
studies, matched case-control
studies, case-control
study, case-control
nested case-control study
case-compeer study
case-base study
studies, case-compeer
case-control studies, nested
study, case-referent
case-referrent study
study, case-referrent
studies, case-referrent
case referent studies
case-control study, matched
case comparison studies
matched case control studies
studies, case control
case control study
case-control study
study, matched case-control
case referrent studies
study, case control
matched case-control study
study, nested case-control
study, case-compeer
studies, nested case-control
nested case control studies
case-control studies, matched
case-comparison study
case-control study, nested
study, case-base
studies, case-base
study, case-comparison
studies, case-comparison
case-referent study
studies, case-referent
tapaus-verrokkitutkimukset
fall-kontrollstudier
case-control studies
case-base studies
verrokkiparitutkimukset
case control studies
case-referrent studies
tapaus-verrokkitutkimus
verrokkiparitutkimus
case-referent studies
case-compeer studies
case-comparison studies
research
forskning
tutkimus