A comparison of alternative strategies for choosing control populations in observational studies
Crossref DOI link: https://doi.org/10.1007/s10742-014-0135-8
Published Online: 2015-01-30
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Steventon, Adam
Grieve, Richard
Sekhon, Jasjeet S.
License valid from 2015-01-30