1.
Public Health Rev
; 42: 1604112, 2021.
Article
in English
| MEDLINE | ID: covidwho-1379967
2.
Int J Public Health
; 66: 1604077, 2021.
Article
in English
| MEDLINE | ID: covidwho-1232551
3.
BMJ
; 369: m2030, 2020 05 26.
Article
in English
| MEDLINE | ID: covidwho-378108