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A 1:1 ratio case-control study on coronavirus disease 2019
Journal of Hainan Medical University ; 27(10):721-728, 2021.
Article in Chinese | GIM | ID: covidwho-2145381
ABSTRACT

Objective:

To compare the characteristics of COVID-19 patients and healthy people, including living habits, living environment etc. so as to provide evidence for policy making in disease control.
Keywords

Full text: Available Collection: Databases of international organizations Database: GIM Type of study: Observational study Language: Chinese Journal: Journal of Hainan Medical University Year: 2021 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: GIM Type of study: Observational study Language: Chinese Journal: Journal of Hainan Medical University Year: 2021 Document Type: Article