ncbi.nlm.nih.gov
National Center for Biotechnology Information
https://www.ncbi.nlm.nih.gov › pmc › articles › PMC10843689
ncbi.nlm.nih.gov
National Center for Biotechnology Information
https://www.ncbi.nlm.nih.gov › pmc › articles › PMC10843689
pubmed.ncbi.nlm.nih.gov
researchgate.net
hal.science
Archive ouverte HAL
https://hal.science › hal-04318716 › document
researchportal.helsinki.fi
University of Helsinki Research Portal
https://researchportal.helsinki.fi › en › publications › the-dangers-of-drawing-cohort-profiles-from-period-data-a-researc
europepmc.org
researchgate.net
helda.helsinki.fi
pubmed.ncbi.nlm.nih.gov
jstor.org
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