Thema
COVID-19
235
Medicine
188
R
188
Medicine (General)
163
Public aspects of medicine
131
covid-19
121
Journal Article
78
Nursing
71
Pandemia
64
Covid-19
49
Coronavirus Infections
44
Diseases of the circulatory (Cardiovascular) system
44
Pandemics
43
pandemia
42
Coronavirus
41
SARS-CoV-2
41
Education (General)
40
Communication. Mass media
39
Education
38
L
36
Social sciences (General)
36
Letter
32
Arctic medicine. Tropical medicine
28
Pediatrics
27
coronavirus
27
A
26
General Works
26
Law in general. Comparative and uniform law. Jurisprudence
26
Special aspects of education
25
H
24
Portugal
24
Social Sciences
24
Infecções por Coronavírus
23
Journalism. The periodical press, etc.
21
Psychology
21
Political institutions and public administration (General)
20
Bibliography. Library science. Information resources
19
Coronavírus
19
Z
19
Coronavirus infections
18
G
18
Geography. Anthropology. Recreation
18
coronavirus infections
18
Information resources (General)
17
K
17
Law
17
pandemics
16
COVID-19 (Disease)
15
Latin America. Spanish America
15
Geography (General)
14
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