![](https://www.pdfsearch.io/img/733acd15d9a0b7338b05b579f45d5065.jpg) Date: 2013-11-09 20:04:56
| | Vol. 162, No. 5 Printed in U.S.A. DOI: aje/kwi219 American Journal of Epidemiology Copyright ª 2005 by the Johns Hopkins Bloomberg School of Public HealthAdd to Reading ListSource URL: econ.ucdenver.eduDownload Document from Source Website File Size: 111,87 KBShare Document on Facebook
|