Aiming for a representative sample: Simulating random versus purposive strategies for hospital selection
Crossref DOI link: https://doi.org/10.1186/s12874-015-0089-8
Published Online: 2015-10-23
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
van Hoeven, Loan R.
Janssen, Mart P.
Roes, Kit C. B.
Koffijberg, Hendrik
License valid from 2015-10-23