| Literature DB >> 23796473 |
Abstract
Entities:
Keywords: alternate explanation; confound; randomized controlled trial; research methods
Mesh:
Year: 2013 PMID: 23796473 PMCID: PMC3713941 DOI: 10.2196/jmir.2631
Source DB: PubMed Journal: J Med Internet Res ISSN: 1438-8871 Impact factor: 5.428