Collaborative Cohort of Cohorts for COVID-19 Research (C4R) Study: Study Design
The Collaborative Cohort of Cohorts for COVID-19 Research (C4R) is a national prospective study of adults comprising 14 established US prospective cohort studies. Starting as early as 1971, investigators in the C4R cohort studies have collected data on clinical and subclinical diseases and their ris...
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Veröffentlicht in: | American journal of epidemiology 2022-06, Vol.191 (7), p.1153-1173 |
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Format: | Artikel |
Sprache: | eng |
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