BMC Medical Research Methodology > 2016 > 16 > 1 > 1-1
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Identifiers
journal e-ISSN : | 1471-2288 |
DOI | 10.1186/s12874-016-0262-8 |
BMC Medical Research Methodology > 2016 > 16 > 1 > 1-1
journal e-ISSN : | 1471-2288 |
DOI | 10.1186/s12874-016-0262-8 |