Thema
COVID-19
498
Medicine
403
R
403
Medicine (General)
314
Public aspects of medicine
273
covid-19
259
Nursing
222
Journal Article
181
Education (General)
148
Pandemia
141
Covid-19
131
Education
124
L
121
Social sciences (General)
120
SARS-CoV-2
118
pandemia
103
Coronavirus Infections
94
Special aspects of education
92
Pandemics
87
Diseases of the circulatory (Cardiovascular) system
86
A
76
General Works
76
Coronavirus infections
69
Communication. Mass media
68
H
67
Social Sciences
67
Psychology
60
Coronavirus
58
Letter
58
Law in general. Comparative and uniform law. Jurisprudence
53
Political institutions and public administration (General)
50
Arctic medicine. Tropical medicine
49
coronavirus infections
45
Portugal
44
coronavirus
42
K
41
Law
41
Infecções por Coronavírus
40
Philology. Linguistics
38
Pandemias
37
Coronavírus
35
pandemic
34
Pediatrics
33
sars-cov-2
31
Latin America. Spanish America
29
Surgery
29
G
28
Geography. Anthropology. Recreation
28
pandemics
28
Gynecology and obstetrics
27
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