Journal of Clinical Epidemiology > 2004 > 57 > 2 > 195-202
Source
Identifiers
journal ISSN : | 0895-4356 |
DOI | 10.1016/j.jclinepi.2003.07.001 |
Journal of Clinical Epidemiology > 2004 > 57 > 2 > 195-202
journal ISSN : | 0895-4356 |
DOI | 10.1016/j.jclinepi.2003.07.001 |