Journal of Clinical Epidemiology > 2004 > 57 > 3 > 309-317
Source
Identifiers
journal ISSN : | 0895-4356 |
DOI | 10.1016/j.jclinepi.2003.05.001 |
Journal of Clinical Epidemiology > 2004 > 57 > 3 > 309-317
journal ISSN : | 0895-4356 |
DOI | 10.1016/j.jclinepi.2003.05.001 |