11 | Add to Reading ListSource URL: ocw.jhsph.eduLanguage: English - Date: 2010-02-25 10:58:57
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12 | Add to Reading ListSource URL: www.stopfalls.orgLanguage: English - Date: 2013-08-29 16:33:10
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13 | Add to Reading ListSource URL: www.geopd.orgLanguage: English - Date: 2012-05-10 12:19:54
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14 | Add to Reading ListSource URL: aje.oxfordjournals.orgLanguage: English |
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15 | Add to Reading ListSource URL: econ.ucdenver.eduLanguage: English - Date: 2013-11-09 20:04:56
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17 | Add to Reading ListSource URL: www.linkinghumansystems.comLanguage: English - Date: 2011-03-28 18:51:24
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19 | AMERICAN JOURNAL OF EPIDEMIOLOGY Copyright © 1981 by The Johns Hopkins University School of Hygiene and Public Health All rights reserved Vol. 114, No. 4Add to Reading ListSource URL: www.epidemiology.ch- Date: 2011-06-02 15:09:30
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20 | American Journal of Epidemiology Copyright ª 2005 by the Johns Hopkins Bloomberg School of Public Health All rights reserved; printed in U.S.A. Vol. 162, No. 8 DOI: aje/kwi280Add to Reading ListSource URL: aje.oxfordjournals.org |
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