| Literature DB >> 34031167 |
Abstract
Entities:
Keywords: COVID-19; cohort studies; epidemiology; public health
Year: 2021 PMID: 34031167 DOI: 10.1136/jech-2021-217114
Source DB: PubMed Journal: J Epidemiol Community Health ISSN: 0143-005X Impact factor: 3.710