| Literature DB >> 17606185 |
Richard D Riley, Greta Ridley, Katrina Williams, Douglas G Altman, Jill Hayden, Henrica C W de Vet.
Abstract
Mesh:
Year: 2007 PMID: 17606185 DOI: 10.1016/j.jclinepi.2007.02.004
Source DB: PubMed Journal: J Clin Epidemiol ISSN: 0895-4356 Impact factor: 6.437