# Effectiveness of Surgical and Cotton Masks in Blocking SARS–CoV-2: A Controlled Comparison in 4 Patients

**Type:** Papers  
**Canonical URL:** https://scholariq.org/papers/effectiveness-of-surgical-and-cotton-masks-in-blocking-sars-cov-2-a-controlled/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Seongman Bae,Min‐Chul Kim,Ji Yeun Kim,Hye-Hee Cha,Joon Seo Lim,Jiwon Jung,Minjae Kim,Dong Kyu Oh,Mi-Kyung Lee,Seong‐Ho Choi,Minki Sung,Sang‐Bum Hong,Jin-Won Chung,Sung‐Han Kim |
| Citations | 204 |
| DOI | 10.7326/m20-1342 |
| Fields | Medicine |
| Open Access | false |
| OA Status | closed |
| OpenAlex ID | https://openalex.org/W3015019026 |
| PMID | 32251511 |
| Type | article |
| Year | 2020 |

## Paper authors

- [Dong Kyu Oh](https://scholariq.org/researchers/dong-kyu-oh/)

## Paper journal

- [Annals of Internal Medicine](https://scholariq.org/journals/annals-of-internal-medicine/)

## Paper primary topic

- [SARS-CoV-2 and COVID-19 Research](https://scholariq.org/topics/sars-cov-2-and-covid-19-research/)

## Paper topics

- [SARS-CoV-2 and COVID-19 Research](https://scholariq.org/topics/sars-cov-2-and-covid-19-research/)
- [Infection Control and Ventilation](https://scholariq.org/topics/infection-control-and-ventilation/)
- [COVID-19 Clinical Research Studies](https://scholariq.org/topics/covid-19-clinical-research-studies/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.