Case-Control Studies & the Hierarchy of Study Design
Crossref DOI link: https://doi.org/10.1007/s40471-016-0091-7
Published Online: 2016-10-07
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Sørensen, Henrik Toft
License valid from 2016-10-07