Randomised and non-randomised studies to estimate the effect of community-level public health interventions: definitions and methodological considerations
Crossref DOI link: https://doi.org/10.1186/s12982-017-0063-5
Published Online: 2017-09-07
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Schmidt, Wolf-Peter