Annals of Epidemiology > 2009 > 19 > 4 > 235-238
Source
Abstract
Identifiers
journal ISSN : | 1047-2797 |
DOI | 10.1016/j.annepidem.2009.01.022 |
Annals of Epidemiology > 2009 > 19 > 4 > 235-238
journal ISSN : | 1047-2797 |
DOI | 10.1016/j.annepidem.2009.01.022 |